Updating add-to-project version

Author: chrisglein

.github/workflows/add-to-project.yml

@@ -10,7 +10,7 @@ jobs:
     name: Add issue to project
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/add-to-project@RELEASE_VERSION
+      - uses: actions/add-to-project@v0.4.1
         with:
           project-url: https://github.com/users/chrisglein/projects/3
-          github-token: ${{ secrets.ADD_TO_PROJECT_PAT }}
+          github-token: ${{ secrets.ADD_TO_PROJECT_PAT }}