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>

Author: dependabot[bot]

.github/workflows/ci-tests.yml

@@ -47,7 +47,7 @@ jobs:
           python-version: ${{ env.py-semver }}
 
       - name: Cache for pip
-        uses: actions/cache@v2
+        uses: actions/cache@v3
         with:
           path: ~/.cache/pip
           key: ${{ runner.os }}-pip-${{ matrix.step }}-${{ hashFiles('requirements.txt', 'tox.ini') }}
@@ -59,7 +59,7 @@ jobs:
 
       - name: MyPy cache
         if: ${{ matrix.step == 'mypy' }}
-        uses: actions/cache@v2
+        uses: actions/cache@v3
         with:
           path: .mypy_cache/${{ env.py-semver }}
           key: mypy-${{ env.py-semver }}
@@ -97,7 +97,7 @@ jobs:
           python-version: ${{ env.py-semver }}
 
       - name: Cache for pip
-        uses: actions/cache@v2
+        uses: actions/cache@v3
         with:
           path: ~/.cache/pip
           key: ${{ runner.os }}-pip-${{ matrix.step }}-${{ hashFiles('requirements.txt') }}
@@ -133,7 +133,7 @@ jobs:
           python-version: "3.10"  # quoted, otherwise that turns into the number 3.1
 
       - name: Cache for pip
-        uses: actions/cache@v2
+        uses: actions/cache@v3
         with:
           path: ~/.cache/pip
           key: ${{ runner.os }}-pip-release-${{ hashFiles('requirements.txt', 'test-requirements.txt') }}

.github/workflows/tag_to_publish.yml

@@ -31,7 +31,7 @@ jobs:
           python-version: "3.10"  # quoted, otherwise that turns into the number 3.1
 
       - name: Cache for pip
-        uses: actions/cache@v2
+        uses: actions/cache@v3
         with:
           path: ~/.cache/pip
           key: ${{ runner.os }}-pip-release-${{ hashFiles('requirements.txt', 'test-requirements.txt') }}