ci: use golangci-lint v7

OTT-6909

Author: thatsddr

.github/workflows/ci.yaml

@@ -22,7 +22,7 @@ jobs:
       - uses: actions/setup-go@v5
         with:
           go-version: ${{ env.GO_VERSION }}
-      - uses: golangci/golangci-lint-action@v6
+      - uses: golangci/golangci-lint-action@v7
         with:
           version: v6.5.1
       - run: |