ci_template: set per-job timeouts for builds

In case a build gets stuck for whatever reason,
happens from time to time on windows,
try to baild out quickly.

For cerbero builds, set the timeout to 3h which
according to the docs should also be able to
override the project defined timeout
Fix #19

https://docs.gitlab.com/ce/ci/yaml/README.html#timeout

gitlab/ci_template.yml

@@ -94,6 +94,8 @@ gst indent:
     - "manifest"
   dependencies:
     - "manifest"
+  # Taking into account the slowest shared runner + time needed to upload the binaries to artifacts
+  timeout: '30min'
   variables:
     CCACHE_COMPILERCHECK: "content"
     CCACHE_COMPRESS: "true"
@@ -337,6 +339,7 @@ valgrind ges:
     - "manifest"
   dependencies:
     - "manifest"
+  timeout: '3h'
   variables:
     CCACHE_COMPILERCHECK: "content"
     CCACHE_COMPRESS: "true"
@@ -413,6 +416,7 @@ valgrind ges:
     - 'docker'
     - 'windows'
     - '1607'
+  timeout: '10min'
   variables:
     MESON_ARGS: >
       ${DEFAULT_MESON_ARGS}