ci: limit concurrency to 1 run per workflow-ref

Before, old CI runs would continue running if a branch was pushed again.
This is super wasteful of CI resources.

We automatically cancel old CI runs when a new run is triggered.

Author: indygreg

.github/workflows/anaconda.yml

@@ -5,6 +5,9 @@ on:
   pull_request:
   schedule:
     - cron: '30 13 * * *'
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
 permissions: { }
 jobs:
   linux:

.github/workflows/external-zstd.yml

@@ -5,6 +5,9 @@ on:
   pull_request:
   schedule:
     - cron: '30 13 * * *'
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
 permissions: { }
 jobs:
   linux:

.github/workflows/pypy.yml

@@ -5,6 +5,9 @@ on:
   pull_request:
   schedule:
     - cron: '30 13 * * *'
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
 permissions: { }
 jobs:
   wheel:

.github/workflows/ruff.yml

@@ -5,6 +5,9 @@ on:
   pull_request:
   schedule:
     - cron: '30 13 * * *'
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
 permissions: { }
 jobs:
   ruff:

.github/workflows/sdist.yml

@@ -5,6 +5,9 @@ on:
   pull_request:
   schedule:
     - cron: '30 13 * * *'
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
 permissions: { }
 jobs:
   sdist:

.github/workflows/sphinx.yml

@@ -5,6 +5,9 @@ on:
   pull_request:
   schedule:
     - cron: '30 13 * * *'
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
 permissions: { }
 jobs:
   sphinx:

.github/workflows/test.yml

@@ -5,6 +5,9 @@ on:
   pull_request:
   schedule:
     - cron: '30 13 * * *'
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
 permissions: { }
 jobs:
   test:

.github/workflows/typing.yml

@@ -5,6 +5,9 @@ on:
   pull_request:
   schedule:
     - cron: '30 13 * * *'
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
 permissions: { }
 jobs:
   mypy:

.github/workflows/wheel.yml

@@ -5,6 +5,9 @@ on:
   pull_request:
   schedule:
     - cron: '30 13 * * *'
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
 permissions: { }
 jobs:
   linux:

.github/workflows/zizmor.yml

@@ -6,6 +6,10 @@ on:
   pull_request:
     branches: [ "**" ]
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 permissions: { }
 
 jobs: