ci: use setup-go caching (#448)

Use setup-go caching instead of manually rolled version.

Also:
* Bump golangci-lint to 1.50.1.
* Add go 1.19 to test / lint matrix.
* Bump timeout to 6 mins.

.github/workflows/test-lint.yml

@@ -8,36 +8,19 @@ jobs:
   go-test-lint:
     strategy:
       matrix:
-        go: [1.18]
+        go: [1.19, 1.18]
-        golangcli: [v1.50.0]
+        golangcli: [v1.50.1]
         os: [ubuntu-latest]
     runs-on: ${{ matrix.os }}
     steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
       - name: Set up Go
         uses: actions/setup-go@v3
         with:
           go-version: ${{ matrix.go }}
-
+          cache: true
-      - name: Checkout
-        uses: actions/checkout@v3
-
-      - name: Go Cache Paths
-        id: go-cache-paths
-        run: |
-          echo "::set-output name=go-build::$(go env GOCACHE)"
-          echo "::set-output name=go-mod::$(go env GOMODCACHE)"
-
-      - name: Go Build Cache
-        uses: actions/cache@v3
-        with:
-          path: ${{ steps.go-cache-paths.outputs.go-build }}
-          key: ${{ runner.os }}-go-build-${{ hashFiles('**/go.sum') }}
-
-      - name: Go Mod Cache
-        uses: actions/cache@v3
-        with:
-          path: ${{ steps.go-cache-paths.outputs.go-mod }}
-          key: ${{ runner.os }}-go-mod-${{ hashFiles('**/go.sum') }}
 
       - name: Validate go mod
         run: |
@@ -49,8 +32,7 @@ jobs:
         with:
           version: ${{ matrix.golangci }}
           args: "--out-${NO_FUTURE}format colored-line-number"
-          skip-pkg-cache: true
+          skip-cache: true
-          skip-build-cache: true
 
       - name: Go Build
         run: go build ./...

.golangci.yml

@@ -1,6 +1,6 @@
 run:
   concurrency: 4
-  deadline: 5m
+  deadline: 6m
   skip-dirs:
     - terst
   skip-files: