chore: serialise test runs (#344)

- **Only run one test instance per branch**
- **Remove old release ci action**

.github/workflows/check.yml

@@ -6,6 +6,12 @@ on:
       - main
   pull_request:
 
+# Only one pull-request triggered run should be executed at a time
+# (head_ref is only set for PR events, otherwise fallback to run_id which differs for every run).
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
 jobs:
   # completely stolen from https://github.com/jonhoo/inferno/blob/8c0a28cab440fd00cd42cfbca403dde895cc67e3/.github/workflows/check.yml#L86-L107
   msrv:
@@ -34,7 +40,7 @@ jobs:
         with:
           profile: minimal
           toolchain: ${{matrix.msrv}}
-          defualt: true
+          default: true
           components: rustfmt, clippy
 
       - name: cargo +${{ matrix.msrv }} check

.github/workflows/coverage.yml

@@ -7,6 +7,12 @@ on:
   pull_request:
   workflow_dispatch:
 
+# Only one pull-request triggered run should be executed at a time
+# (head_ref is only set for PR events, otherwise fallback to run_id which differs for every run).
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
 jobs:
   coverage:
     runs-on: ubuntu-latest

.github/workflows/schedule.yml

@@ -8,6 +8,12 @@ on:
   schedule:
     - cron: "7 7 * * *"
 
+# Only one pull-request triggered run should be executed at a time
+# (head_ref is only set for PR events, otherwise fallback to run_id which differs for every run).
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
 jobs:
   nightly:
     runs-on: ubuntu-latest
@@ -33,4 +39,4 @@ jobs:
           components: rustfmt, clippy
 
       - name: Test the code
-        run: python3 ./bin/test --rust-version nightly --test all --extra-clippy-flags "-A clippy::arc_with_non_send_sync"  # extra clippy args since lint is nightly only for now
+        run: python3 ./bin/test --rust-version nightly --test all --extra-clippy-flags "-A clippy::arc_with_non_send_sync" # extra clippy args since lint is nightly only for now

.github/workflows/test.yml

@@ -6,6 +6,12 @@ on:
       - main
   pull_request:
 
+# Only one pull-request triggered run should be executed at a time
+# (head_ref is only set for PR events, otherwise fallback to run_id which differs for every run).
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
 jobs:
   ci-test:
     runs-on: ubuntu-latest