Bump actions/cache from 3.0.5 to 3.0.8

Bumps [actions/cache](https://github.com/actions/cache) from 3.0.5 to 3.0.8.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@v3.0.5...v3.0.8)

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

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/ci.yml

@@ -57,7 +57,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v3
 
-      - uses: actions/[email protected].5
+      - uses: actions/[email protected].8
         with:
           path: ~/.cache/pip
           key: ${{ runner.os }}-pip-${{ hashFiles('requirements/dev.txt') }}
@@ -92,7 +92,7 @@ jobs:
        sudo apt-get update
        sudo apt-get install qt5-default qttools5-dev-tools
 
-    - uses: actions/[email protected].5
+    - uses: actions/[email protected].8
       with:
         path: ~/.cache/pip
         key: ${{ runner.os }}-pip-${{ hashFiles('requirements/packaging.txt') }}

.github/workflows/publish-doc.yml

@@ -32,7 +32,7 @@ jobs:
         node-version: '12'
 
     - name: Cache project dependencies (pip)
-      uses: actions/[email protected].5
+      uses: actions/[email protected].8
       with:
         path: ~/.cache/pip
         key: ${{ runner.os }}-pip-${{ hashFiles('requirements/doc.txt') }}

.github/workflows/transifex.yml

@@ -20,7 +20,7 @@ jobs:
       with:
         python-version: "3.10"
 
-    - uses: actions/[email protected].5
+    - uses: actions/[email protected].8
       with:
         path: ~/.cache/pip
         key: ${{ runner.os }}-pip-${{ hashFiles('requirements/packaging.txt') }}