fix(ci): stop reusing concurrency labels across jobs (#1937)

## Description

Jobs are getting canceled because multiple separate flows have the same
concurrency group.

## Notes & open questions

<!-- Any notes, remarks or open questions you have to make about the PR.
-->

## Change checklist

- [ ] Self-review.
- [ ] Documentation updates if relevant.
- [ ] Tests if relevant.

.github/workflows/ci.yml

@@ -9,7 +9,7 @@ on:
       - main
 
 concurrency:
-  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  group: ci-${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
   cancel-in-progress: true
 
 env:

.github/workflows/flaky.yaml

@@ -34,7 +34,7 @@ on:
         type: string
 
 concurrency:
-  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  group: flaky-${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
   cancel-in-progress: true
 
 jobs:

.github/workflows/release.yml

@@ -7,7 +7,7 @@ on:
     - "v*"
 
 concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
+  group: release-${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
 
 env:

.github/workflows/test_derper.yml

@@ -6,7 +6,7 @@ on:
     - cron: '0 4 * * *'
 
 concurrency:
-    group: ${{ github.workflow }}-${{ github.ref }}
+    group: derper-${{ github.workflow }}-${{ github.ref }}
     cancel-in-progress: true
 
 env:

.github/workflows/tests.yaml

@@ -14,11 +14,6 @@ on:
         type: string
         default: 'main'
 
-
-concurrency:
-  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
-  cancel-in-progress: true
-
 env:
   RUST_BACKTRACE: 1
   RUSTFLAGS: -Dwarnings