upgrade go to 1.20

.travis.yml

@@ -4,7 +4,7 @@ services:
 - docker
 language: go
 go:
-  - 1.17.x
+  - 1.20.x
 env:
   - GO111MODULE=on GOFLAGS=-mod=vendor
 

go.mod

@@ -1,34 +1,52 @@
 module terraform-provider-pkcs12
 
-go 1.14
+go 1.20
 
 require (
+	github.com/hashicorp/terraform-plugin-sdk/v2 v2.27.0
+	software.sslmate.com/src/go-pkcs12 v0.2.1
+)
+
+require (
+	github.com/agext/levenshtein v1.2.3 // indirect
 	github.com/apparentlymart/go-textseg v1.0.0 // indirect
-	github.com/golang/protobuf v1.4.2 // indirect
-	github.com/google/go-cmp v0.5.2 // indirect
+	github.com/apparentlymart/go-textseg/v13 v13.0.0 // indirect
+	github.com/fatih/color v1.15.0 // indirect
+	github.com/golang/protobuf v1.5.3 // indirect
+	github.com/google/go-cmp v0.5.9 // indirect
+	github.com/hashicorp/errwrap v1.1.0 // indirect
 	github.com/hashicorp/go-cty v1.4.1-0.20200414143053-d3edf31b6320 // indirect
-	github.com/hashicorp/go-hclog v0.15.0 // indirect
-	github.com/hashicorp/go-multierror v1.0.0 // indirect
-	github.com/hashicorp/go-plugin v1.4.0 // indirect
-	github.com/hashicorp/go-uuid v1.0.1 // indirect
-	github.com/hashicorp/go-version v1.2.1 // indirect
-	github.com/hashicorp/hcl/v2 v2.3.0 // indirect
-	github.com/hashicorp/terraform-plugin-go v0.1.0 // indirect
-	github.com/hashicorp/terraform-plugin-sdk/v2 v2.4.0
-	github.com/mattn/go-colorable v0.1.4 // indirect
-	github.com/mattn/go-isatty v0.0.10 // indirect
-	github.com/mitchellh/copystructure v1.0.0 // indirect
-	github.com/mitchellh/go-testing-interface v1.0.4 // indirect
-	github.com/mitchellh/mapstructure v1.1.2 // indirect
-	github.com/mitchellh/reflectwalk v1.0.1 // indirect
+	github.com/hashicorp/go-hclog v1.5.0 // indirect
+	github.com/hashicorp/go-multierror v1.1.1 // indirect
+	github.com/hashicorp/go-plugin v1.4.10 // indirect
+	github.com/hashicorp/go-uuid v1.0.3 // indirect
+	github.com/hashicorp/go-version v1.6.0 // indirect
+	github.com/hashicorp/hcl/v2 v2.17.0 // indirect
+	github.com/hashicorp/logutils v1.0.0 // indirect
+	github.com/hashicorp/terraform-plugin-go v0.18.0 // indirect
+	github.com/hashicorp/terraform-plugin-log v0.9.0 // indirect
+	github.com/hashicorp/terraform-registry-address v0.2.1 // indirect
+	github.com/hashicorp/terraform-svchost v0.1.1 // indirect
+	github.com/hashicorp/yamux v0.1.1 // indirect
+	github.com/mattn/go-colorable v0.1.13 // indirect
+	github.com/mattn/go-isatty v0.0.19 // indirect
+	github.com/mitchellh/copystructure v1.2.0 // indirect
+	github.com/mitchellh/go-testing-interface v1.14.1 // indirect
+	github.com/mitchellh/go-wordwrap v1.0.1 // indirect
+	github.com/mitchellh/mapstructure v1.5.0 // indirect
+	github.com/mitchellh/reflectwalk v1.0.2 // indirect
+	github.com/oklog/run v1.1.0 // indirect
 	github.com/vmihailenco/msgpack v4.0.4+incompatible // indirect
-	github.com/zclconf/go-cty v1.2.1 // indirect
-	golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9 // indirect
-	golang.org/x/net v0.0.0-20200707034311-ab3426394381 // indirect
-	golang.org/x/sys v0.0.0-20200523222454-059865788121 // indirect
-	golang.org/x/text v0.3.3 // indirect
-	google.golang.org/appengine v1.6.6 // indirect
-	google.golang.org/grpc v1.32.0 // indirect
-	google.golang.org/protobuf v1.25.0 // indirect
-	software.sslmate.com/src/go-pkcs12 v0.0.0-20201103104416-57fc603b7f52
+	github.com/vmihailenco/msgpack/v5 v5.3.5 // indirect
+	github.com/vmihailenco/tagparser/v2 v2.0.0 // indirect
+	github.com/zclconf/go-cty v1.13.2 // indirect
+	golang.org/x/crypto v0.11.0 // indirect
+	golang.org/x/net v0.12.0 // indirect
+	golang.org/x/sys v0.10.0 // indirect
+	golang.org/x/text v0.11.0 // indirect
+	google.golang.org/appengine v1.6.7 // indirect
+	google.golang.org/genproto v0.0.0-20230706204954-ccb25ca9f130 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20230726155614-23370e0ffb3e // indirect
+	google.golang.org/grpc v1.57.0 // indirect
+	google.golang.org/protobuf v1.31.0 // indirect
 )