Update dotenv-linter/action-dotenv-linter action to v2.20.0

Author: renovate[bot]

.github/workflows/pr-test.yml

@@ -49,7 +49,7 @@ jobs:
           submodules: "recursive"
           fetch-depth: 0
       - name: Lint dotenv
-        uses: dotenv-linter/action-dotenv-linter@053f08384bfaa8541ba5986f7552438401f44bff # v2.19.0
+        uses: dotenv-linter/action-dotenv-linter@2358fce7165b02bf363eeabc5d2c2db3eb3aaadd # v2.20.0
 concurrency:
   group: ${{ github.workflow }}-${{ github.event_name }}-${{ github.ref }}
   cancel-in-progress: true