ci: separate hidden jobs to -inc yml files

Almost all the gitlab-ci.yml files in Mesa have their hidden jobs defined in
an include file. This may have started with !25238 with the idea to simplify
the re-use of hidden jobs by other projects. But we missed the .gitlab-ci
directory.

Signed-off-by: Sergi Blanch-Torne <sergi.blanch.torne@collabora.com>
Acked-by: Martin Roukala (né Peres) <martin.roukala@mupuf.org>
Reviewed-by: Eric Engestrom <eric@igalia.com>
Reviewed-by: Valentine Burley <valentine.burley@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/35427>

docs/gitlab-ci-inc.yml

@@ -0,0 +1,18 @@
+.docs-base:
+  timeout: 10m
+  extends:
+    - .build-linux
+    - .use-alpine/x86_64_build
+  artifacts:
+    expose_as: 'Documentation preview'
+    paths:
+      - public/
+  script:
+    - meson setup _build -D prefix=$(pwd) --auto-features=disabled
+      -D vulkan-drivers="" -D gallium-drivers="" -D platforms=[] -D glx=disabled
+      -D video-codecs="" -D html-docs=enabled -D html-docs-path=public
+      -D werror=true
+    - meson compile -C _build
+    - meson install -C _build
+    - echo "Documentation website preview is available at $ARTIFACTS_BASE_URL/public/index.html"
+

docs/gitlab-ci.yml

@@ -1,20 +1,5 @@
-.docs-base:
-  timeout: 10m
-  extends:
-    - .build-linux
-    - .use-alpine/x86_64_build
-  artifacts:
-    expose_as: 'Documentation preview'
-    paths:
-      - public/
-  script:
-    - meson setup _build -D prefix=$(pwd) --auto-features=disabled
-      -D vulkan-drivers="" -D gallium-drivers="" -D platforms=[] -D glx=disabled
-      -D video-codecs="" -D html-docs=enabled -D html-docs-path=public
-      -D werror=true
-    - meson compile -C _build
-    - meson install -C _build
-    - echo "Documentation website preview is available at $ARTIFACTS_BASE_URL/public/index.html"
+include:
+  - local: 'docs/gitlab-ci-inc.yml'
 
 deploy-docs:
   extends: .docs-base