Update dotenv-linter/action-dotenv-linter action to v3

Author: renovate[bot]

.github/workflows/pr-test.yml

@@ -53,7 +53,7 @@ jobs:
         with:
           fetch-depth: 0
           persist-credentials: false
-      - uses: dotenv-linter/action-dotenv-linter@21287e2624aaf2dc8da5dd8ccfe8e49c63501116 # v2.25.0
+      - uses: dotenv-linter/action-dotenv-linter@afde61cfda2ecffe7bea35837b6f20b956c88689 # v3.0.0
         with:
           reporter: github-code-suggestions
 concurrency: