MAINT: Bump actions/cache from 4.0.1 to 4.0.2

Bumps [actions/cache](https://github.com/actions/cache) from 4.0.1 to 4.0.2.
- [Release notes](https://github.com/actions/cache/releases)
- [Commits](actions/cache@v4.0.1...v4.0.2)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/linux_qemu.yml

@@ -108,7 +108,7 @@ jobs:
         sudo apt install -y ninja-build gcc-${TOOLCHAIN_NAME} g++-${TOOLCHAIN_NAME} gfortran-${TOOLCHAIN_NAME}
 
     - name: Cache docker container
-      uses: actions/[email protected].1
+      uses: actions/[email protected].2
       id: container-cache
       with:
         path: ~/docker_${{ matrix.BUILD_PROP[1] }}

.github/workflows/macos.yml

@@ -44,7 +44,7 @@ jobs:
         echo "today=$(/bin/date -u '+%Y%m%d')" >> $GITHUB_OUTPUT
 
     - name: Setup compiler cache
-      uses: actions/cache@ab5e6d0c87105b4c9c2047343972218f562e4319 # v4.0.1
+      uses: actions/cache@0c45773b623bea8c8e75f6c82b208c3cf94ea4f9 # v4.0.2
       id:    cache-ccache
       with:
         path: ${{ steps.prep-ccache.outputs.dir }}
@@ -68,7 +68,7 @@ jobs:
     # ensure we re-solve once a day (since we don't lock versions). Could be
     # replaced by a conda-lock based approach in the future.
     - name: Cache conda environment
-      uses: actions/cache@ab5e6d0c87105b4c9c2047343972218f562e4319 # v4.0.1
+      uses: actions/cache@0c45773b623bea8c8e75f6c82b208c3cf94ea4f9 # v4.0.2
       env:
         # Increase this value to reset cache if environment.yml has not changed
         CACHE_NUMBER: 1