Bump versions of all the actions (#162)

See #161 (comment)

.github/workflows/ci.yaml

@@ -11,9 +11,9 @@ jobs:
   pre-commit:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-python@v4
-      - uses: pre-commit/action@v2.0.0
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+      - uses: pre-commit/action@v3.0.1
 
   build:
     runs-on: ubuntu-latest
@@ -29,7 +29,7 @@ jobs:
         run: echo "::set-output name=dir::$(pip cache dir)"
 
       - name: Persist cache across runs
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: ${{ steps.pip-cache.outputs.dir }}
           key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
@@ -48,13 +48,13 @@ jobs:
       # Publish!
       - name: Deploy to GitHub Pages
         if: github.event_name == 'push' || github.event_name == 'schedule'
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@v4
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: public/
 
       # Upload for introspection, useful for pull requests and debugging
-      - uses: actions/upload-artifact@v2
+      - uses: actions/upload-artifact@v4
         with:
           name: generated-site
           path: public/