Update ci.yml

Author: DenisSolicen

.github/workflows/ci.yml

@@ -10,14 +10,14 @@ jobs:
   deploy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v6
       - uses: actions/setup-python@v4
         with:
           python-version: 3.x
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           key: ${{ github.ref }}
           path: .cache
       - run: pip install mkdocs-material
       - run: pip install pillow cairosvg
-      - run: mkdocs gh-deploy --force
+      - run: mkdocs gh-deploy --force