refactor: rework few tests and build system

This commit includes the following changes
* Bump github actions
* Update tests github action to check documentation and streamline
  process
* Update test cases to use temporary directories as roots
* Simplify tox.ini

.github/workflows/setup.yml

@@ -24,7 +24,7 @@ jobs:
         - ${{ github.workspace }}:/build
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Setup the minimal service in arch linux container
         run: .github/workflows/setup.sh minimal
@@ -40,7 +40,7 @@ jobs:
       options: --privileged -w /build
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Setup the service in arch linux container
         run: .github/workflows/setup.sh