ci: bump golangci-lint-action to v7 for golangci-lint v2 support

golangci-lint-action@v6 fails fast with 'invalid version string v2.12.2,
golangci-lint v2 is not supported by golangci-lint-action v6'. v7
is the version that ships v2 support.

Signed-off-by: Aleksei Sviridkin <f@lex.la>

Author: lexfrei

.github/workflows/pr.yml

@@ -41,7 +41,7 @@ jobs:
         with:
           go-version: stable
       - name: Run golangci-lint
-        uses: golangci/golangci-lint-action@v6
+        uses: golangci/golangci-lint-action@v7
         with:
           version: v2.12.2
           args: --timeout=5m