Use cache only on main and release branches (#12754)

Using cache by default for each run is useless waste of cache.

Some runs for some branches executed only once, but their caches replace
action cache which instead could be used by frequently running jobs on
main/release branches.

.github/workflows/ci.yml

@@ -37,9 +37,16 @@ jobs:
       - uses: actions/checkout@v4
         with:
           fetch-depth: 0
+
       - 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
@@ -84,6 +91,11 @@ 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: