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

Author: renovate[bot]

.github/workflows/publish.yaml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Set up Go 1.22
-        uses: actions/setup-go@v5
+        uses: actions/setup-go@v6
         with:
           go-version: 1.26
 

.github/workflows/test.yaml

@@ -25,7 +25,7 @@ jobs:
           ref: ${{ github.head_ref }}
 
       - name: Set up Go
-        uses: actions/setup-go@v5
+        uses: actions/setup-go@v6
         with:
           go-version: '1.26'
           cache: true
@@ -62,7 +62,7 @@ jobs:
           ref: ${{ github.head_ref }}
 
       - name: Set up Go
-        uses: actions/setup-go@v5
+        uses: actions/setup-go@v6
         with:
           go-version: '1.26'
           cache: true