ci: Set timeouts on various stages

Most of our stages take just a single minute to complete, while the standard
timeout on gitlab CI is 60 minutes.

Set a 5 minute timeout on quick stages, and a 30 minute timeout on the image
build step to ensure we fail fast and don't tie up CI resources.

Signed-off-by: Kenny Levinsen <kl@kl.wtf>

.gitlab-ci.yml

@@ -27,6 +27,7 @@ container_prep:
   extends:
     - .debian
     - .fdo.container-build@debian
+  timeout: 30m
   stage: container_prep
 
 
@@ -34,6 +35,7 @@ container_prep:
   extends:
     - .debian
     - .fdo.distribution-image@debian
+  timeout: 5m
   stage: build
   before_script:
   - git clone --depth=1 https://gitlab.freedesktop.org/wayland/wayland-protocols
@@ -136,6 +138,7 @@ build-native-meson-no-gl-renderer:
 
 docs-and-coverage:
   stage: pages
+  timeout: 5m
   script:
   - mv prefix-weston-build-docs/share/doc/weston Documentation
   - mv build-weston-build-native-meson-default-options/meson-logs/coveragereport Test_Coverage
@@ -154,6 +157,7 @@ docs-and-coverage:
 
 pages:
   stage: pages
+  timeout: 5m
   dependencies:
     - build-docs
   script: