Use cache only for main and latest two release branches. (#12492)

Cache is branch-specific.

For pull-requests based on some feature-branch we can skip cache and
save available space on our workflow cache as well as time required to
run workflow.

.github/workflows/test-integration-caplin.yml

@@ -27,6 +27,12 @@ jobs:
       - uses: actions/setup-go@v5
         with:
           go-version: '1.22'
+          cache: ${{ contains(fromJSON('[
+            "refs/heads/release/2.60",
+            "refs/heads/release/2.61",
+            "refs/heads/main"
+            ]'), github.ref) }}
+
       - name: Install dependencies on Linux
         if: runner.os == 'Linux'
         run: sudo apt update && sudo apt install build-essential
@@ -45,6 +51,11 @@ jobs:
       - uses: actions/setup-go@v5
         with:
           go-version: '1.22'
+          cache: ${{ contains(fromJSON('[
+            "refs/heads/release/2.60",
+            "refs/heads/release/2.61",
+            "refs/heads/main"
+            ]'), github.ref) }}          
 
       - uses: actions/cache@v4
         with: