Bump actions/cache from 4 to 5

Bumps [actions/cache](https://github.com/actions/cache) from 4 to 5.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@v4...v5)

---
updated-dependencies:
- dependency-name: actions/cache
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/ci.yaml

@@ -30,7 +30,7 @@ jobs:
 
     - name: Restore Python ${{ steps.python.outputs.python-version }} virtual environment
       id: cache-venv
-      uses: actions/cache@v4
+      uses: actions/cache@v5
       with:
         path: venv
         key: >-
@@ -94,7 +94,7 @@ jobs:
 
     - name: Restore Python ${{ steps.python.outputs.python-version }} virtual environment
       id: cache-venv
-      uses: actions/cache@v4
+      uses: actions/cache@v5
       with:
         path: venv
         key: >-
@@ -135,7 +135,7 @@ jobs:
 
     - name: Restore cached PMS Docker image
       id: docker-cache
-      uses: actions/cache/restore@v4
+      uses: actions/cache/restore@v5
       with:
         path: ~/.cache/docker/plexinc
         key: ${{ runner.os }}-docker-pms-${{ steps.docker-digest.outputs.digest }}
@@ -210,7 +210,7 @@ jobs:
 
     - name: Save PMS Docker image cache
       if: always() && steps.docker-cache.outputs.cache-hit != 'true'
-      uses: actions/cache/save@v4
+      uses: actions/cache/save@v5
       with:
         key: ${{ steps.docker-cache.outputs.cache-primary-key }}
         path: ~/.cache/docker/plexinc
@@ -240,7 +240,7 @@ jobs:
 
     - name: Restore Python ${{ steps.python.outputs.python-version }} virtual environment
       id: cache-venv
-      uses: actions/cache@v4
+      uses: actions/cache@v5
       with:
         path: venv
         key: >-

.github/workflows/refresh_token.yml

@@ -25,7 +25,7 @@ jobs:
 
     - name: Restore Python ${{ steps.python.outputs.python-version }} virtual environment
       id: cache-venv
-      uses: actions/cache@v4
+      uses: actions/cache@v5
       with:
         path: venv
         key: >-