Update actions/cache digest to 5656298

Author: renovate[bot]

.github/workflows/ci.yml

@@ -18,7 +18,7 @@ jobs:
           go-version: "1.26"
 
       - name: Cache Go modules
-        uses: actions/cache@b7e8d49f17405cc70c1c120101943203c98d3a4b
+        uses: actions/cache@565629816435f6c0b50676926c9b05c254113c0c
         with:
           path: ~/go/pkg/mod
           key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}