Grant actions:write permission to lint job for PLT cache eviction

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: mtrudel

.github/workflows/elixir.yml

@@ -11,6 +11,8 @@ jobs:
     uses: mtrudel/elixir-ci-actions/.github/workflows/test.yml@main
   lint:
     uses: mtrudel/elixir-ci-actions/.github/workflows/lint.yml@main
+    permissions:
+      actions: write
   re-run:
     needs: [test, lint]
     if: failure() && fromJSON(github.run_attempt) < 3