ci: fix job dependency in test workflow

The main build matrix does not currently depend on the start job. Hence
the build matrix starts in parallel with the start job (the latter is
responsible for notifying the start of a build). Which means the start
message can get delayed.

Fix that.

Change-Id: Ia7710fd3762ab8656df8cd82dcaee198a7e91c83
Reviewed-on: https://cue-review.googlesource.com/c/cue/+/8401
Reviewed-by: CUE cueckoo <cueckoo@gmail.com>
Reviewed-by: Marcel van Lohuizen <mpvl@golang.org>

.github/workflows/test.yml

@@ -23,6 +23,7 @@ jobs:
         github.run_id }}"}'' -b ~/.gitcookies https://cue-review.googlesource.com/a/changes/$(basename
         $(dirname $GITHUB_REF))/revisions/$(basename $GITHUB_REF)/review'
   test:
+    needs: start
     strategy:
       fail-fast: false
       matrix:

internal/ci/workflows.cue

@@ -50,6 +50,7 @@ test: _#bashWorkflow & {
 			]
 		}
 		test: {
+			needs:     "start"
 			strategy:  _#testStrategy
 			"runs-on": "${{ matrix.os }}"
 			steps: [