Apply suggestion from @Copilot

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: erezrokah

.github/workflows/unittest.yml

@@ -26,12 +26,18 @@ jobs:
         with:
           go-version-file: go.mod
           cache: false
+      - name: Determine Go cache directories
+        id: go-cache
+        shell: bash
+        run: |
+          echo "gocache=$(go env GOCACHE)" >> "$GITHUB_OUTPUT"
+          echo "gomodcache=$(go env GOMODCACHE)" >> "$GITHUB_OUTPUT"
       - name: Cache Go modules
         uses: actions/cache@v4
         with:
           path: |
-            ~/go/pkg/mod
-            ~/.cache/go-build
+            ${{ steps.go-cache.outputs.gomodcache }}
+            ${{ steps.go-cache.outputs.gocache }}
           key: ${{ runner.os }}-go-${{ steps.setup-go.outputs.go-version }}-${{ hashFiles('**/go.sum') }}
           restore-keys: |
             ${{ runner.os }}-go-${{ steps.setup-go.outputs.go-version }}-