Bump actions/cache from 3 to 4

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>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -115,7 +115,7 @@ jobs:
           python -m pip cache dir
           echo "dir=$(python -m pip cache dir)" >> $GITHUB_OUTPUT
 
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: ${{ steps.pip-cache.outputs.dir }}
           key: ${{ runner.os }}-pip-${{ hashFiles('pyproject.toml') }}

.github/workflows/lint.yml

@@ -28,7 +28,7 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
 
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: ~/.cache/pip
           key: ${{ runner.os }}-pip-${{ hashFiles('pyproject.toml') }}

.github/workflows/skip-tests.yml

@@ -37,7 +37,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
 
       # See https://github.com/actions/cache/blob/main/examples.md#python---pip
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: ~\AppData\Local\pip\Cache
           key: ${{ runner.os }}-pip-${{ hashFiles('pyproject.toml') }}

.github/workflows/windows-ci.yml

@@ -35,7 +35,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
 
       # See https://github.com/actions/cache/blob/main/examples.md#python---pip
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: ~\AppData\Local\pip\Cache
           key: ${{ runner.os }}-pip-${{ hashFiles('pyproject.toml') }}