ci: Remove uses of actions/cache

actions/go-setup already handles caches

Author: codablock

.github/workflows/release.yml

@@ -41,14 +41,6 @@ jobs:
           registry: ghcr.io
           username: kluctlbot
           password: ${{ secrets.GHCR_TOKEN }}
-      - uses: actions/cache@v4
-        with:
-          path: |
-            ~/go/pkg/mod
-            ~/.cache/go-build
-          key: ${{ runner.os }}-goreleaser-${{ hashFiles('**/go.sum') }}
-          restore-keys: |
-            ${{ runner.os }}-goreleaser-
       - name: Generate helm package
         run: |
           make helm-package

.github/workflows/tests.yml

@@ -20,14 +20,6 @@ jobs:
       - uses: actions/setup-go@v5
         with:
           go-version-file: go.mod
-      - uses: actions/cache@v4
-        with:
-          path: |
-            ~/go/pkg/mod
-            ~/.cache/go-build
-          key: generate-check-go-${{ runner.os }}-${{ hashFiles('**/go.sum') }}
-          restore-keys: |
-            generate-check-go-${{ runner.os }}-
       - name: Verify generated source is up-to-date
         run: |
           make generate
@@ -85,14 +77,6 @@ jobs:
       - uses: actions/setup-go@v5
         with:
           go-version-file: go.mod
-      - uses: actions/cache@v4
-        with:
-          path: |
-            ~/go/pkg/mod
-            ~/.cache/go-build
-          key: check-docker-images-${{ matrix.docker_platform }}-${{ hashFiles('**/go.sum') }}
-          restore-keys: |
-            check-docker-images-${{ runner.os }}-
       - name: Setup QEMU
         uses: docker/setup-qemu-action@v3
       - name: Setup Docker Buildx
@@ -122,14 +106,6 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           python-version: '3.11'
-      - uses: actions/cache@v4
-        with:
-          path: |
-            ~/go/pkg/mod
-            ~/.cache/go-build
-          key: tests-go-${{ runner.os }}-${{ hashFiles('**/go.sum') }}
-          restore-keys: |
-            tests-go-${{ runner.os }}-
       - name: Run tests
         shell: bash
         run: |