ci: Disable panfrost t760

The runners appear to be down at the moment.

Signed-off-by: Rob Clark <robdclark@chromium.org>
Acked-by: Daniel Stone <daniels@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9872>

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

@@ -10,7 +10,7 @@ panfrost-t720-gles2:arm64:
   tags:
     - mesa-ci-aarch64-lava-collabora
 
-panfrost-t760-gles2:armhf:
+.panfrost-t760-gles2:armhf:
   extends:
     - .lava-test:armhf
     - .panfrost-rules
@@ -24,7 +24,7 @@ panfrost-t760-gles2:armhf:
   tags:
     - mesa-ci-aarch64-lava-collabora
 
-panfrost-t760-traces:armhf:
+.panfrost-t760-traces:armhf:
   extends:
     - .lava-piglit-traces:armhf
     - .panfrost-rules