ci: update workflow, bump min brownie version

.github/workflows/main.yaml

@@ -12,28 +12,34 @@ env:
   GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
   WEB3_INFURA_PROJECT_ID: 44c6300c5e5b4b2da5fc42b06bf18a8e
 
+  # increasing available memory for node reduces issues with ganache crashing
+  # https://nodejs.org/api/cli.html#cli_max_old_space_size_size_in_megabytes
+  NODE_OPTIONS: --max_old_space_size=4096
+
 jobs:
 
   tests:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v2
 
-    - name: Cache Solidity Installations
-      uses: actions/cache@v1
+    - name: Cache Compiler Installations
+      uses: actions/cache@v2
       with:
-        path: ~/.solcx
-        key: ${{ runner.os }}-solcx-cache
+        path: |
+          ~/.solcx
+          ~/.vvm
+        key: compiler-cache
 
     - name: Setup Node.js
       uses: actions/setup-node@v1
 
     - name: Install Ganache
-      run: npm install -g ganache-cli@6.8.2
+      run: npm install -g ganache-cli@6.12.1
 
     - name: Setup Python 3.8
-      uses: actions/setup-python@v1
+      uses: actions/setup-python@v2
       with:
         python-version: 3.8
 

requirements.txt

@@ -1 +1 @@
-eth-brownie>=1.8.3,<2.0.0
+eth-brownie>=1.12.0,<2.0.0