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] <[email protected]>

.github/workflows/ci.yml

@@ -17,7 +17,7 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           python-version: '3.x'
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: ~/.cache/pypoetry/virtualenvs
           key: poetry-${{ hashFiles('poetry.lock') }}
@@ -35,7 +35,7 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           python-version: '3.x'
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: ~/.cache/pypoetry/virtualenvs
           key: poetry-${{ hashFiles('poetry.lock') }}
@@ -137,7 +137,7 @@ jobs:
         with:
           python-version: ${{ matrix.python_version }}
 
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: ~/.nox
           key: nox-${{ matrix.python_version }}-${{ hashFiles('poetry.lock') }}
@@ -192,7 +192,7 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           python-version: "3.x"
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: ~/.cache/pypoetry/virtualenvs
           key: poetry-${{ hashFiles('poetry.lock') }}
@@ -247,7 +247,7 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           python-version: '3.x'
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: ~/.nox
           key: nox-${{ hashFiles('poetry.lock') }}
@@ -296,7 +296,7 @@ jobs:
           # when launching pylint with python 3.12
           python-version: '3.11'
 
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: ~/.nox
           key: nox-${{ hashFiles('poetry.lock') }}