ci: disable setup-go built-in cache and add separate actions/cache steps

Co-authored-by: erezrokah <26760571+erezrokah@users.noreply.github.com>

Author: Copilot

.github/workflows/gen_coverage_report.yml

@@ -22,10 +22,21 @@ jobs:
         with:
           token: ${{ secrets.GH_CQ_BOT }}
       - name: Set up Go 1.x
+        id: setup-go
         uses: actions/setup-go@v6
         with:
           go-version: "1.25"
           cache: false
+      - name: Cache Go modules
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/go/pkg/mod
+            ~/.cache/go-build
+          key: ${{ runner.os }}-go-${{ steps.setup-go.outputs.go-version }}-${{ hashFiles('**/go.sum') }}
+          restore-keys: |
+            ${{ runner.os }}-go-${{ steps.setup-go.outputs.go-version }}-
+            ${{ runner.os }}-go-
       - name: Generate Coverage Report
         run: make coverage
 

.github/workflows/go_mod_tidy_examples.yml

@@ -21,10 +21,21 @@ jobs:
         with:
           token: ${{ secrets.GH_CQ_BOT }}
       - name: Set up Go 1.x
+        id: setup-go
         uses: actions/setup-go@v6
         with:
           go-version-file: go.mod
           cache: false
+      - name: Cache Go modules
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/go/pkg/mod
+            ~/.cache/go-build
+          key: ${{ runner.os }}-go-${{ steps.setup-go.outputs.go-version }}-${{ hashFiles('**/go.sum') }}
+          restore-keys: |
+            ${{ runner.os }}-go-${{ steps.setup-go.outputs.go-version }}-
+            ${{ runner.os }}-go-
       - name: Run go mod tidy
         working-directory: examples/${{ matrix.plugin }}
         run: go mod tidy

.github/workflows/lint_golang.yml

@@ -18,8 +18,20 @@ jobs:
     steps:
       - uses: actions/checkout@v6
       - uses: actions/setup-go@v6
+        id: setup-go
         with:
           go-version-file: go.mod
+          cache: false
+      - name: Cache Go modules
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/go/pkg/mod
+            ~/.cache/go-build
+          key: ${{ runner.os }}-go-${{ steps.setup-go.outputs.go-version }}-${{ hashFiles('**/go.sum') }}
+          restore-keys: |
+            ${{ runner.os }}-go-${{ steps.setup-go.outputs.go-version }}-
+            ${{ runner.os }}-go-
       - name: golangci-lint
         uses: golangci/golangci-lint-action@v9
         with:

.github/workflows/unittest.yml

@@ -21,9 +21,21 @@ jobs:
       - name: Check out code into the Go module directory
         uses: actions/checkout@v6
       - name: Set up Go 1.x
+        id: setup-go
         uses: actions/setup-go@v6
         with:
           go-version-file: go.mod
+          cache: false
+      - name: Cache Go modules
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/go/pkg/mod
+            ~/.cache/go-build
+          key: ${{ runner.os }}-go-${{ steps.setup-go.outputs.go-version }}-${{ hashFiles('**/go.sum') }}
+          restore-keys: |
+            ${{ runner.os }}-go-${{ steps.setup-go.outputs.go-version }}-
+            ${{ runner.os }}-go-
       - run: go mod download
       - run: go build ./...
       - name: Run tests