Devops: Using concurrency for CI actions (#6066)

This will cause running actions to be cancelled as soon as new commits
are pushed to the same branch, saving computational resources.

.github/workflows/benchmark.yml

@@ -5,6 +5,12 @@ on:
     branches: [main]
     paths-ignore: ['docs/**']
 
+# https://docs.github.com/en/actions/using-jobs/using-concurrency
+concurrency:
+    # only cancel in-progress jobs or runs for the current workflow - matches against branch & tags
+    group: ${{ github.workflow }}-${{ github.ref }}
+    cancel-in-progress: true
+
 jobs:
 
   run-and-upload:

.github/workflows/build_and_test_docker_on_pr.yml

@@ -12,6 +12,12 @@ on:
     path_ignore:
       - 'docs/**'
 
+# https://docs.github.com/en/actions/using-jobs/using-concurrency
+concurrency:
+    # only cancel in-progress jobs or runs for the current workflow - matches against branch & tags
+    group: ${{ github.workflow }}-${{ github.ref }}
+    cancel-in-progress: true
+
 jobs:
 
   build-and-test:

.github/workflows/ci-code.yml

@@ -7,6 +7,12 @@ on:
     branches-ignore: [gh-pages]
     paths-ignore: ['docs/**']
 
+# https://docs.github.com/en/actions/using-jobs/using-concurrency
+concurrency:
+    # only cancel in-progress jobs or runs for the current workflow - matches against branch & tags
+    group: ${{ github.workflow }}-${{ github.ref }}
+    cancel-in-progress: true
+
 jobs:
 
   check-requirements:

.github/workflows/nightly.yml

@@ -13,6 +13,12 @@ on:
         - 'tests/storage/psql_dos/migrations/**'
     workflow_dispatch:
 
+# https://docs.github.com/en/actions/using-jobs/using-concurrency
+concurrency:
+    # only cancel in-progress jobs or runs for the current workflow - matches against branch & tags
+    group: ${{ github.workflow }}-${{ github.ref }}
+    cancel-in-progress: true
+
 jobs:
 
     tests:

.github/workflows/rabbitmq.yml

@@ -7,6 +7,12 @@ on:
         branches-ignore: [gh-pages]
         paths-ignore: ['docs/**']
 
+# https://docs.github.com/en/actions/using-jobs/using-concurrency
+concurrency:
+    # only cancel in-progress jobs or runs for the current workflow - matches against branch & tags
+    group: ${{ github.workflow }}-${{ github.ref }}
+    cancel-in-progress: true
+
 jobs:
 
     tests:

.github/workflows/test-install.yml

@@ -12,6 +12,12 @@ on:
   schedule:
     - cron: '30 02 * * *'  # nightly build
 
+# https://docs.github.com/en/actions/using-jobs/using-concurrency
+concurrency:
+    # only cancel in-progress jobs or runs for the current workflow - matches against branch & tags
+    group: ${{ github.workflow }}-${{ github.ref }}
+    cancel-in-progress: true
+
 jobs:
 
   validate-dependency-specification: