Bump middleman and middleman-blog

Gemfile

@@ -2,8 +2,8 @@
 # the following line to use "https"
 source 'https://rubygems.org'
 
-gem "middleman", "~> 3.4.1"
-gem "middleman-blog", "~> 3.5.3"
+gem "middleman", "~> 4.3.8"
+gem "middleman-blog", "~> 4.0.3"
 
 # For feed.xml.builder
 gem "builder", "~> 3.2"

Gemfile.lock

@@ -1,143 +1,121 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (4.2.11.1)
-      i18n (~> 0.7)
+    activesupport (5.2.4.3)
+      concurrent-ruby (~> 1.0, >= 1.0.2)
+      i18n (>= 0.7, < 2)
       minitest (~> 5.1)
-      thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
-    addressable (2.3.8)
+    addressable (2.7.0)
+      public_suffix (>= 2.0.2, < 5.0)
+    backports (3.18.1)
     builder (3.2.4)
-    capybara (2.4.4)
-      mime-types (>= 1.16)
-      nokogiri (>= 1.3.3)
-      rack (>= 1.0.0)
-      rack-test (>= 0.5.4)
-      xpath (~> 2.0)
-    chunky_png (1.3.11)
     coffee-script (2.4.1)
       coffee-script-source
       execjs
     coffee-script-source (1.12.2)
-    compass (1.0.3)
-      chunky_png (~> 1.2)
-      compass-core (~> 1.0.2)
-      compass-import-once (~> 1.0.5)
-      rb-fsevent (>= 0.9.3)
-      rb-inotify (>= 0.9)
-      sass (>= 3.3.13, < 3.5)
-    compass-core (1.0.3)
-      multi_json (~> 1.0)
-      sass (>= 3.3.0, < 3.5)
-    compass-import-once (1.0.5)
-      sass (>= 3.2, < 3.5)
+    concurrent-ruby (1.1.7)
+    contracts (0.13.0)
+    dotenv (2.7.6)
     erubis (2.7.0)
     execjs (2.7.0)
-    ffi (1.11.1)
+    fast_blank (1.0.0)
+    fastimage (2.2.0)
+    ffi (1.13.1)
     haml (5.1.2)
       temple (>= 0.8.0)
       tilt
-    hike (1.2.3)
-    hooks (0.4.1)
-      uber (~> 0.0.14)
-    i18n (0.7.0)
-    json (2.3.0)
-    kramdown (1.17.0)
+    hamster (3.0.0)
+      concurrent-ruby (~> 1.0)
+    hashie (3.6.0)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
+    kramdown (2.3.0)
+      rexml
     listen (3.0.8)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
-    middleman (3.4.1)
+    memoist (0.16.2)
+    middleman (4.3.8)
       coffee-script (~> 2.2)
-      compass (>= 1.0.0, < 2.0.0)
-      compass-import-once (= 1.0.5)
-      execjs (~> 2.0)
       haml (>= 4.0.5)
-      kramdown (~> 1.2)
-      middleman-core (= 3.4.1)
-      middleman-sprockets (>= 3.1.2)
-      sass (>= 3.4.0, < 4.0)
-      uglifier (~> 2.5)
-    middleman-blog (3.5.3)
-      addressable (~> 2.3.5)
-      middleman-core (~> 3.2)
+      kramdown (>= 2.3.0)
+      middleman-cli (= 4.3.8)
+      middleman-core (= 4.3.8)
+    middleman-blog (4.0.3)
+      addressable (~> 2.3)
+      middleman-core (>= 4.0.0)
       tzinfo (>= 0.3.0)
-    middleman-core (3.4.1)
-      activesupport (~> 4.1)
-      bundler (~> 1.1)
-      capybara (~> 2.4.4)
+    middleman-cli (4.3.8)
+      thor (>= 0.17.0, < 2.0)
+    middleman-core (4.3.8)
+      activesupport (>= 4.2, < 6.0)
+      addressable (~> 2.3)
+      backports (~> 3.6)
+      bundler
+      contracts (~> 0.13.0)
+      dotenv
       erubis
-      hooks (~> 0.3)
-      i18n (~> 0.7.0)
-      listen (~> 3.0.3)
-      padrino-helpers (~> 0.12.3)
-      rack (>= 1.4.5, < 2.0)
-      thor (>= 0.15.2, < 2.0)
-      tilt (~> 1.4.1, < 2.0)
+      execjs (~> 2.0)
+      fast_blank
+      fastimage (~> 2.0)
+      hamster (~> 3.0)
+      hashie (~> 3.4)
+      i18n (~> 0.9.0)
+      listen (~> 3.0.0)
+      memoist (~> 0.14)
+      padrino-helpers (~> 0.13.0)
+      parallel
+      rack (>= 1.4.5, < 3)
+      sassc (~> 2.0)
+      servolux
+      tilt (~> 2.0.9)
+      uglifier (~> 3.0)
     middleman-rouge (0.0.1)
       middleman-core (>= 3.0.0)
       redcarpet (>= 2.2.0)
       rouge (>= 0.3.0)
-    middleman-search_engine_sitemap (1.3.0)
+    middleman-search_engine_sitemap (1.4.0)
       builder
-      middleman-core (~> 3.2)
-    middleman-sprockets (3.5.0)
-      middleman-core (>= 3.3)
-      sprockets (~> 2.12.1)
-      sprockets-helpers (~> 1.1.0)
-      sprockets-sass (~> 1.3.0)
-    mime-types (3.2.2)
-      mime-types-data (~> 3.2015)
-    mime-types-data (3.2019.0331)
+      middleman-core (~> 4.0)
     mini_portile2 (2.4.0)
-    minitest (5.11.3)
-    multi_json (1.13.1)
+    minitest (5.14.1)
     nokogiri (1.10.9)
       mini_portile2 (~> 2.4.0)
-    padrino-helpers (0.12.9)
+    padrino-helpers (0.13.3.4)
       i18n (~> 0.6, >= 0.6.7)
-      padrino-support (= 0.12.9)
+      padrino-support (= 0.13.3.4)
       tilt (>= 1.4.1, < 3)
-    padrino-support (0.12.9)
+    padrino-support (0.13.3.4)
       activesupport (>= 3.1)
-    rack (1.6.12)
-    rack-test (1.1.0)
-      rack (>= 1.0, < 3)
-    rb-fsevent (0.10.3)
-    rb-inotify (0.10.0)
+    parallel (1.19.2)
+    public_suffix (4.0.5)
+    rack (2.2.3)
+    rb-fsevent (0.10.4)
+    rb-inotify (0.10.1)
       ffi (~> 1.0)
     redcarpet (3.5.0)
+    rexml (3.2.4)
     rouge (3.7.0)
-    sass (3.4.25)
-    sprockets (2.12.5)
-      hike (~> 1.2)
-      multi_json (~> 1.0)
-      rack (~> 1.0)
-      tilt (~> 1.1, != 1.3.0)
-    sprockets-helpers (1.1.0)
-      sprockets (~> 2.0)
-    sprockets-sass (1.3.1)
-      sprockets (~> 2.0)
-      tilt (~> 1.1)
-    temple (0.8.1)
-    thor (0.20.3)
+    sassc (2.4.0)
+      ffi (~> 1.9)
+    servolux (0.13.0)
+    temple (0.8.2)
+    thor (1.0.1)
     thread_safe (0.3.6)
-    tilt (1.4.1)
-    tzinfo (1.2.5)
+    tilt (2.0.10)
+    tzinfo (1.2.7)
       thread_safe (~> 0.1)
-    uber (0.0.15)
-    uglifier (2.7.2)
-      execjs (>= 0.3.0)
-      json (>= 1.8.0)
-    xpath (2.1.0)
-      nokogiri (~> 1.3)
+    uglifier (3.2.0)
+      execjs (>= 0.3.0, < 3)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
   builder (~> 3.2)
-  middleman (~> 3.4.1)
-  middleman-blog (~> 3.5.3)
+  middleman (~> 4.3.8)
+  middleman-blog (~> 4.0.3)
   middleman-rouge
   middleman-search_engine_sitemap
   nokogiri