Update .gitlab-ci.yml file

.gitlab-ci.yml

@@ -7,6 +7,8 @@ stages:  # Define stages in the pipeline
 # Job to build documentation
 build-docs:
   stage: build
+  tags:
+    - shell
   script:
     - sphinx-build docs/source docs/build  # Build the documentation
   artifacts:
@@ -17,6 +19,8 @@ build-docs:
 # Job to deploy documentation to GitLab Pages
 pages:
   stage: deploy
+  tags:
+    - shell
   script:
     - mv docs/build public  # Move the build output to the "public" directory
   artifacts: