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/build_pkg.yml

@@ -82,7 +82,7 @@ jobs:
           python-version: '3.10'
 
       - name: Cache pip
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         env:
           # Increase this value to reset cache if ./setup.cfg has not changed
           CACHE_NUMBER: 0

.github/workflows/citation.yml

@@ -15,7 +15,7 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           python-version: '3.10'
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: ~/.cache/pip
           key: pip-cffconvert-0

.github/workflows/pytest_asdf.yml

@@ -74,7 +74,7 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           python-version: '3.10'
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: ~/.cache/pip
           key: ${{ runner.os }}-pip-0

.github/workflows/static_analysis.yml

@@ -42,7 +42,7 @@ jobs:
           setup_requires: 'include'
 
       - name: Cache mypy cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: |
             ./.mypy_cache