CI(dependabot): Bump actions/cache from 4 to 5 (#74)

* CI(dependabot): Bump actions/cache from 4 to 5

Bumps [actions/cache](https://github.com/actions/cache) from 4 to 5.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@v4...v5)

---
updated-dependencies:
- dependency-name: actions/cache
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

* CI: Use action to install ImageMagick

* CI: Use apt-get to install system packages

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Adrien Berchet <adrien.berchet@epfl.ch>

Author: dependabot[bot]

.github/workflows/run-tox.yml

@@ -27,15 +27,12 @@ jobs:
       uses: actions/setup-python@v6
       with:
         python-version: ${{ matrix.python-version }}
-    - name: Cache APT Packages
-      uses: awalsh128/cache-apt-pkgs-action@latest
-      with:
-        packages:
-          poppler-utils
-          imagemagick
-        version: 1.1
+    - name: Install APT Packages
+      run: |
+        sudo apt-get update
+        sudo apt-get install -y poppler-utils imagemagick
     - name: Cache tox and precommit environments
-      uses: actions/cache@v4
+      uses: actions/cache@v5
       with:
         path: |
           .tox