ci: Fix doc path

Author: jcs090218

.github/workflows/docs.yml

@@ -21,7 +21,7 @@ concurrency:
   cancel-in-progress: true
 
 env:
-  DOC_PATH: ~/emacs-eask.github.io
+  PATH_DOC: ${{ github.workspace }}/emacs-eask.github.io
 
 jobs:
   publish-doc:
@@ -51,23 +51,23 @@ jobs:
       if: github.ref == 'refs/heads/master'
       with:
         repository: emacs-eask/emacs-eask.github.io
-        path: ${{ env.DOC_PATH }}
+        path: ${{ env.PATH_DOC }}
         token: ${{ secrets.PAT }}
 
     - name: Clean up before the build
-      working-directory: ${{ env.DOC_PATH }}
+      working-directory: ${{ env.PATH_DOC }}
       run: git rm -r '*'
 
     - name: Build doc artifacts with Hugo
       working-directory: docs
       run: |
-        mkdir -p ${{ env.DOC_PATH }}
-        hugo --destination ${{ env.DOC_PATH }} --minify
+        mkdir -p ${{ env.PATH_DOC }}
+        hugo --destination ${{ env.PATH_DOC }} --minify
 
     # TODO: Generate better commit message
     - name: Publish doc artifacts
       if: github.ref == 'refs/heads/master'
-      working-directory: ${{ env.DOC_PATH }}
+      working-directory: ${{ env.PATH_DOC }}
       run: |
         git config user.name github-actions
         git config user.email [email protected]