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/docker.yml

@@ -21,18 +21,18 @@ jobs:
       packages: write
 
     steps:
-      - uses: docker/setup-qemu-action@v2
+      - uses: docker/setup-qemu-action@v3
 
-      - uses: docker/setup-buildx-action@v2
+      - uses: docker/setup-buildx-action@v3
 
       - name: Login to docker hub
-        uses: docker/login-action@v2
+        uses: docker/login-action@v3
         with:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
 
       - name: Login to github container registry
-        uses: docker/login-action@v2
+        uses: docker/login-action@v3
         with:
           registry: ghcr.io
           username: ${{ github.repository_owner }}
@@ -40,7 +40,7 @@ jobs:
 
       - name: Extract docker metadata
         id: meta
-        uses: docker/metadata-action@v3
+        uses: docker/metadata-action@v5
         with:
           images: |
             arcan1s/ahriman
@@ -50,7 +50,7 @@ jobs:
             type=edge
 
       - name: Build an image and push
-        uses: docker/build-push-action@v4
+        uses: docker/build-push-action@v6
         with:
           file: docker/Dockerfile
           push: true