Bump actions/cache from 2 to 4 (#82)

Bumps [actions/cache](https://github.com/actions/cache) from 2 to 4.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@v2...v4)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/publish.yml

@@ -21,7 +21,7 @@ jobs:
         uses: actions/setup-python@v5
         with:
           python-version: "3.9"
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         id: cache
         with:
           path: ${{ env.pythonLocation }}

.github/workflows/test-publish.yml

@@ -24,7 +24,7 @@ jobs:
         uses: actions/setup-python@v5
         with:
           python-version: "3.9"
-      - uses: actions/cache@v2
+      - uses: actions/cache@v4
         id: cache
         with:
           path: ${{ env.pythonLocation }}

.github/workflows/test.yml

@@ -30,7 +30,7 @@ jobs:
         uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         id: cache
         with:
           path: ${{ env.pythonLocation }}