ci: Bump action versions

Increment the used action versions just to avoid using unmaintained
versions.

Signed-off-by: Leandro Lucarella <[email protected]>

Author: llucax

.github/workflows/ci.yaml

@@ -14,16 +14,16 @@ jobs:
 
     steps:
     - name: Fetch sources
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
       with:
         submodules: true
 
     - name: Set up Python
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v4
       with:
         python-version: "3.8"
 
-    - uses: actions/cache@v2
+    - uses: actions/cache@v3
       with:
         path: ~/.cache/pip
         key: ${{ runner.os }}-pip-${{ hashFiles('pyproject.toml') }}