chore(deps): update actions/setup-go action to v6

Author: renovate[bot]

.github/workflows/pr.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Install Go
-      uses: actions/setup-go@v5
+      uses: actions/setup-go@v6
       with:
         go-version: '1.21'
     - name: Check out code into the Go module directory

.github/workflows/release.yml

@@ -20,7 +20,7 @@ jobs:
           fetch-depth: 0
       -
         name: Set up Go
-        uses: actions/setup-go@v5
+        uses: actions/setup-go@v6
         with:
           go-version: '1.21'
       -