CI: include workflow name in concurrency group

Currently, this won't change anything, because we only have one relevant workflow (`CI`), but for future proofing we should probably include the workflow name in the concurrency group.

Author: Kobzol

.github/workflows/ci.yml

@@ -31,7 +31,7 @@ defaults:
   run:
     shell: bash
 concurrency:
-  group: "${{ ((github.ref == 'refs/heads/try' || github.ref == 'refs/heads/try-perf') && github.sha) || github.ref }}"
+  group: "${{ github.workflow }}-${{ ((github.ref == 'refs/heads/try' || github.ref == 'refs/heads/try-perf') && github.sha) || github.ref }}"
   cancel-in-progress: true
 jobs:
   pr:

src/ci/github-actions/ci.yml

@@ -302,7 +302,7 @@ concurrency:
   # For a given workflow, if we push to the same branch, cancel all previous builds on that branch.
   # We add an exception for try builds (try branch) and unrolled rollup builds (try-perf), which
   # are all triggered on the same branch, but which should be able to run concurrently.
-  group: ${{ ((github.ref == 'refs/heads/try' || github.ref == 'refs/heads/try-perf') && github.sha) || github.ref }}
+  group: ${{ github.workflow }}-${{ ((github.ref == 'refs/heads/try' || github.ref == 'refs/heads/try-perf') && github.sha) || github.ref }}
   cancel-in-progress: true
 
 jobs: