CI: Disable Collabora lab

It's everyone's favourite day, infrastructure maintenance Friday.

This includes manual disables for a618-vk and zink-anv-tgl, because
apparently the disable-on-variable rules don't carry through to those
jobs for ... some reason.

Signed-off-by: Daniel Stone <daniels@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/17553>

.gitlab-ci.yml

@@ -18,7 +18,7 @@ variables:
   # Individual CI farm status, set to "offline" to disable jobs
   # running on a particular CI farm (ie. for outages, etc):
   FD_FARM: "online"
-  COLLABORA_FARM: "online"
+  COLLABORA_FARM: "offline"
   MICROSOFT_FARM: "online"
   LIMA_FARM: "online"
 

src/freedreno/ci/gitlab-ci.yml

@@ -124,7 +124,7 @@ a530-traces:
     PIGLIT_REPLAY_DEVICE_NAME: "freedreno-a530"
     PIGLIT_RESULTS: "freedreno-a530-replay"
 
-a618_vk:
+.a618_vk:
   extends:
     - .lava-test:arm64
     - .turnip-rules
@@ -143,9 +143,9 @@ a618_vk:
     # the .5s default.
     FREEDRENO_HANGCHECK_MS: 2000
 
-a618_vk_full:
+.a618_vk_full:
   extends:
-    - a618_vk
+    - .a618_vk
     - .test-manual-mr
   # We use a longer timeout to keep the parallel down so that we don't lock up
   # too many runners for a long time when a dev is trying out at full VK status.

src/gallium/drivers/zink/ci/gitlab-ci.yml

@@ -23,7 +23,7 @@ zink:
   script:
     - xvfb-run --server-args='-noreset' sh -c "GALLIUM_DRIVER=zink VK_DRIVER=lvp install/deqp-runner.sh"
 
-zink-anv-tgl:
+.zink-anv-tgl:
   extends:
     - .anv-tgl-test
     - .zink-anv-rules