CI: Store Doxygen artifacts

Signed-off-by: Patrick M. Niedzielski <[email protected]>

Author: pniedzielski

.github/workflows/build.yaml

@@ -379,9 +379,27 @@ jobs:
       - name: Build Doxygen API documentation
         run: cmake --build --preset gh-doxygen-apidocs
 
+      - name: Generate Doxygen API Documentation Artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: ${{ github.run_id }}_apidocs
+          path: ${{ github.workspace }}/build/apidocs
+          compression-level: 9
+          overwrite: true
+          if-no-files-found: error
+
       - name: Build Doxygen Internal documentation
         run: cmake --build --preset gh-doxygen-internaldocs
 
+      - name: Generate Doxygen Internal Documentation Artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: ${{ github.run_id }}_internaldocs
+          path: ${{ github.workspace }}/build/internaldocs
+          compression-level: 9
+          overwrite: true
+          if-no-files-found: error
+
   shellcheck:
     name: Shellcheck
     runs-on: ubuntu-latest