build(deps): Bump actions/cache from 2.1.5 to 3.0.2 (#158)

Bumps [actions/cache](https://github.com/actions/cache) from 2.1.5 to 3.0.2.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@v2.1.5...v3.0.2)

---
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>

Author: dependabot[bot]

.github/workflows/pull_request.yml

@@ -19,7 +19,7 @@ jobs:
 
     - name: Cache pip
       id: cache
-      uses: actions/cache@v2.1.5
+      uses: actions/cache@v3.0.2
       with:
         path: ~/.cache/pip
         key: ${{ runner.os }}-pip-${{ hashFiles('requirements.txt') }}