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

Author: renovate[bot]

.github/workflows/lint.yml

@@ -13,7 +13,7 @@ jobs:
         uses: actions/checkout@v5
 
       - name: Setup Go
-        uses: actions/setup-go@v5
+        uses: actions/setup-go@v6
         with:
           go-version-file: go.mod
 

.github/workflows/test.yml

@@ -13,7 +13,7 @@ jobs:
         uses: actions/checkout@v5
 
       - name: Setup Go
-        uses: actions/setup-go@v5
+        uses: actions/setup-go@v6
         with:
           go-version-file: go.mod