ci: Tweaks for multi go version tests (#3673)

.github/workflows/ci.yml

@@ -17,7 +17,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ ubuntu-latest, macos-latest, windows-latest ]
-        go-version: [ 1.14.x, 1.15.x ]
+        go: [ '1.14', '1.15' ]
 
         # Set some variables per OS, usable via ${{ matrix.VAR }}
         # CADDY_BIN_PATH: the path to the compiled Caddy binary, for artifact publishing
@@ -41,7 +41,7 @@ jobs:
     - name: Install Go
       uses: actions/setup-go@v2
       with:
-        go-version: ${{ matrix.go-version }}
+        go-version: ${{ matrix.go }}
 
     - name: Checkout code
       uses: actions/checkout@v2
@@ -69,12 +69,12 @@ jobs:
         echo "::set-output name=go_cache::$(go env GOCACHE)"
 
     - name: Cache the build cache
-      uses: actions/cache@v1
+      uses: actions/cache@v2
       with:
         path: ${{ steps.vars.outputs.go_cache }}
-        key: ${{ runner.os }}-go-ci-${{ hashFiles('**/go.sum') }}
+        key: ${{ runner.os }}-${{ matrix.go }}-go-ci-${{ hashFiles('**/go.sum') }}
         restore-keys: |
-          ${{ runner.os }}-go-ci
+          ${{ runner.os }}-${{ matrix.go }}-go-ci
 
     - name: Get dependencies
       run: |
@@ -91,7 +91,7 @@ jobs:
     - name: Publish Build Artifact
       uses: actions/upload-artifact@v1
       with:
-        name: caddy_v2_${{ runner.os }}_${{ steps.vars.outputs.short_sha }}
+        name: caddy_${{ runner.os }}_go${{ matrix.go }}_${{ steps.vars.outputs.short_sha }}
         path: ${{ matrix.CADDY_BIN_PATH }}
 
     # Commented bits below were useful to allow the job to continue
@@ -167,7 +167,7 @@ jobs:
     steps:
       - name: checkout
         uses: actions/checkout@v2
-      - uses: goreleaser/goreleaser-action@v1
+      - uses: goreleaser/goreleaser-action@v2
         with:
           version: latest
           args: check