Update actions/setup-go action to v6

Author: renovate[bot]

.github/workflows/push.yaml

@@ -14,7 +14,7 @@ jobs:
     - name: checkout
       uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
     - name: setup go env
-      uses: actions/setup-go@0c52d547c9bc32b1aa3301fd7a9cb496313a4491 # v5
+      uses: actions/setup-go@4dc6199c7b1a012772edbd06daecab0f50c9053c # v6
       with:
         go-version: 1.25
     - name: build