[ci][docs] Add a step to clean temporary files.

The md5 and map files are used only when doxygen is run on an existing
folder. They therefore should not be uploaded or put in the tar archive.

Author: hageboeck

.github/workflows/root-docs-ci.yml

@@ -102,6 +102,13 @@ jobs:
         cd ROOT-CI/src/documentation/doxygen
         make -j "$(nproc --all)"
 
+    - name: Clean temporary files
+      shell: bash
+      run: |
+        cd "/github/home/${DOC_DIR}"
+        rm html/*.md5
+        rm html/*.map
+
     - name: Create documentation archives
       working-directory: ${{ env.DOC_LOCATION }}
       shell: bash