build(deps): bump actions/cache from 2 to 3

Bumps [actions/cache](https://github.com/actions/cache) from 2 to 3.
- [Release notes](https://github.com/actions/cache/releases)
- [Commits](actions/cache@v2...v3)

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

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

.github/workflows/ci.yml

@@ -19,7 +19,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
       - id: pip-cache
         run: echo "::set-output name=dir::$(pip cache dir)"
-      - uses: actions/cache@v2
+      - uses: actions/cache@v3
         with:
           path: ${{ steps.pip-cache.outputs.dir }}
           key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements*.txt', 'setup.py') }}

.github/workflows/lint.yml

@@ -11,7 +11,7 @@ jobs:
       - uses: actions/setup-python@v3
         with:
           python-version: 3.8
-      - uses: actions/cache@v2
+      - uses: actions/cache@v3
         with:
           path: ~/.cache/pip
           key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements*.txt', 'setup.py') }}