Bump actions/cache from 2.1.7 to 3 (#140)

Bumps [actions/cache](https://github.com/actions/cache) from 2.1.7 to 3.
- [Release notes](https://github.com/actions/cache/releases)
- [Commits](actions/cache@v2.1.7...v3)

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

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

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

Author: dependabot[bot]

.github/workflows/main.yaml

@@ -24,13 +24,13 @@ jobs:
         uses: Gr1N/setup-poetry@v7
 
       - name: Cache venv
-        uses: actions/cache@v2.1.7
+        uses: actions/cache@v3
         with:
           path: .venv
           key: venv-${{ hashFiles('**/poetry.lock') }}
 
       - name: Cache pre-commit
-        uses: actions/cache@v2.1.7
+        uses: actions/cache@v3
         with:
           path: ~/.cache/pre-commit/
           key: ${{ runner.os }}-pre-commit-${{ hashFiles('**/poetry.lock') }}-${{ hashFiles('**/.pre-commit-config.yaml') }} # yamllint disable-line