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/assemble-files.yml

@@ -38,7 +38,7 @@ jobs:
         python-version: '3.10'
 
     - name: Cache Python dependencies
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         # This path is specific to Ubuntu
         path: ~/.cache/pip

.github/workflows/continuous.yml

@@ -24,7 +24,7 @@ jobs:
         python-version: '3.10'
 
     - name: Cache Python dependencies
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         # This path is specific to Ubuntu
         path: ~/.cache/pip
@@ -88,7 +88,7 @@ jobs:
         python-version: '3.10'
 
     - name: Cache Python dependencies
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         # This path is specific to Ubuntu
         path: ~/.cache/pip

.github/workflows/update-wiki.yml

@@ -34,7 +34,7 @@ jobs:
         python-version: '3.10'
 
     - name: Cache Python dependencies
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         # This path is specific to Ubuntu
         path: ~/.cache/pip