workflows: switch to setup-go v4

Cache dependencies and build outputs by default.

Author: bgilbert

.github/workflows/containers.yml

@@ -28,7 +28,7 @@ jobs:
         run: sudo apt-get install libsystemd-dev
       - uses: actions/checkout@v3
       - name: Setup go
-        uses: actions/setup-go@v1
+        uses: actions/setup-go@v4
         with:
           go-version: ${{ env['GO_TOOLCHAIN'] }}
       - name: Go build (source)

.github/workflows/go.yml

@@ -25,7 +25,7 @@ jobs:
         run: sudo apt-get install libsystemd-dev
       - uses: actions/checkout@v3
       - name: Setup go
-        uses: actions/setup-go@v3
+        uses: actions/setup-go@v4
         with:
           go-version: ${{ matrix.go }}
       - name: Go fmt
@@ -45,7 +45,7 @@ jobs:
         run: sudo apt-get install libsystemd-dev
       - uses: actions/checkout@v3
       - name: Setup go
-        uses: actions/setup-go@v3
+        uses: actions/setup-go@v4
         with:
           go-version: ${{ env['ACTION_MINIMUM_TOOLCHAIN'] }}
       - name: Go fmt