Bump actions/cache from 3 to 4 (#925)

Bumps [actions/cache](https://github.com/actions/cache) from 3 to 4.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@v3...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/ci-cd.yml

@@ -210,7 +210,7 @@ jobs:
       run: |
         echo "::set-output name=dir::$(pip cache dir)"    # - name: Cache
     - name: Cache PyPI
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         key: >-
           pip-ci-${{

.github/workflows/reusable-linters.yml

@@ -33,14 +33,14 @@ jobs:
       with:
         python-version: ${{ env.PYTHON_LATEST }}
     - name: Cache PyPI
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         key: pip-lint-${{ hashFiles('requirements/*.txt') }}
         path: ~/.cache/pip
         restore-keys: |
             pip-lint-
     - name: Cache pre-commit.com virtualenvs
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: ~/.cache/pre-commit
         key: >-