fix: prevent CI runs from cancelling each other on main (#492)

Change cancel-in-progress from unconditional `true` to
`${{ github.ref != 'refs/heads/main' }}` in codeql, build-and-test, and
lint workflows. This prevents back-to-back merges from cancelling each
other's runs on main while still cancelling superseded PR runs.

Also remove stale `feat/gateway-integration` branch from all workflow
triggers — the branch was merged and deleted.

Author: tejaskash

.github/workflows/build-and-test.yml

@@ -2,17 +2,17 @@ name: Build and Test
 
 on:
   push:
-    branches: ['main', 'feat/gateway-integration']
+    branches: ['main']
   pull_request:
-    branches: ['main', 'feat/gateway-integration']
+    branches: ['main']
 
 permissions:
   contents: read
 
-# Cancel in-progress runs when a new commit is pushed
+# Cancel in-progress runs for PRs; never cancel runs on main (merges should not abort each other)
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
-  cancel-in-progress: true
+  cancel-in-progress: ${{ github.ref != 'refs/heads/main' }}
 
 jobs:
   build:

.github/workflows/codeql.yml

@@ -2,16 +2,16 @@ name: CodeQL
 
 on:
   push:
-    branches: ['main', 'feat/gateway-integration']
+    branches: ['main']
   pull_request:
-    branches: ['main', 'feat/gateway-integration']
+    branches: ['main']
   pull_request_target:
-    branches: ['main', 'feat/gateway-integration']
+    branches: ['main']
 
-# Cancel in-progress runs when a new commit is pushed
+# Cancel in-progress runs for PRs; never cancel runs on main (merges should not abort each other)
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
-  cancel-in-progress: true
+  cancel-in-progress: ${{ github.ref != 'refs/heads/main' }}
 
 jobs:
   analyze:

.github/workflows/e2e-tests.yml

@@ -6,7 +6,7 @@ on:
         description: 'AWS region for deployment'
         default: 'us-east-1'
   pull_request_target:
-    branches: [main, feat/gateway-integration]
+    branches: [main]
 
 concurrency:
   group: e2e-${{ github.event.pull_request.number || github.ref }}

.github/workflows/lint.yml

@@ -2,17 +2,17 @@ name: Quality and Safety Checks
 
 on:
   push:
-    branches: ['main', 'feat/gateway-integration']
+    branches: ['main']
   pull_request:
-    branches: ['main', 'feat/gateway-integration']
+    branches: ['main']
 
 permissions:
   contents: read
 
-# Cancel in-progress runs when a new commit is pushed
+# Cancel in-progress runs for PRs; never cancel runs on main (merges should not abort each other)
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
-  cancel-in-progress: true
+  cancel-in-progress: ${{ github.ref != 'refs/heads/main' }}
 
 jobs:
   setup:

.github/workflows/pr-size.yml

@@ -4,7 +4,7 @@ name: PR Size Check and Label
 # Safe because this workflow only reads PR metadata — it never checks out untrusted code.
 on:
   pull_request_target:
-    branches: [main, feat/gateway-integration]
+    branches: [main]
 
 jobs:
   label-size:

.github/workflows/pr-title.yml

@@ -2,7 +2,7 @@ name: Validate PR Title
 
 on:
   pull_request_target:
-    branches: [main, feat/gateway-integration]
+    branches: [main]
     types: [opened, edited, synchronize, reopened]
 
 permissions: