ci: run GHA on merge_group events (#15600)

## Description

There is a specific event we have to trigger on to run CI during a Merge
Queue group.

## Testing

<!-- Describe your testing strategy or note what tests are included -->

## Risks

<!-- Note any risks associated with this change, or "None" if no risks
-->

## Additional Notes

<!-- Any other information that would be helpful for reviewers -->

Author: brettlangdon

.github/workflows/all-green.yml

@@ -1,6 +1,7 @@
 name: All Green
 on:
   pull_request:
+  merge_group:
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}

.github/workflows/build_deploy.yml

@@ -14,6 +14,7 @@ on:
       # TODO: Remove this after 3.x work is done
       - 3.x-staging
   pull_request:
+  merge_group:
   release:
     types:
       - published

.github/workflows/codeql-analysis.yml

@@ -4,7 +4,7 @@ on:
   push:
     branches:
       - main
-      - 'mq-working-branch**'
+  merge_group:
   pull_request:
     # The branches below must be a subset of the branches above
     branches:

.github/workflows/django-overhead-profile.yml

@@ -3,7 +3,7 @@ on:
   push:
     branches:
       - main
-      - 'mq-working-branch**'
+  merge_group:
   pull_request:
     paths:
       - 'ddtrace/**'

.github/workflows/encoders-profile.yml

@@ -3,7 +3,7 @@ on:
   push:
     branches:
       - main
-      - 'mq-working-branch**'
+  merge_group:
   pull_request:
     paths:
       - 'ddtrace/internal/_encoding.pyx'

.github/workflows/flask-overhead-profile.yml

@@ -3,7 +3,7 @@ on:
   push:
     branches:
       - main
-      - 'mq-working-branch**'
+  merge_group:
   pull_request:
     paths:
       - 'ddtrace/**'

.github/workflows/import-analysis.yml

@@ -2,6 +2,7 @@ name: Import analysis
 
 on:
   pull_request:
+  merge_group:
 
 jobs:
   import_analysis:

.github/workflows/profiling-native.yml

@@ -4,7 +4,7 @@ on:
   push:
     branches:
       - main
-      - "mq-working-branch**"
+  merge_group:
   pull_request:
     paths:
     - ddtrace/internal/datadog/profiling/**

.github/workflows/pytorch_gpu_tests.yml

@@ -1,16 +1,16 @@
-name: Pytorch Unit Tests (with GPU) 
+name: Pytorch Unit Tests (with GPU)
 
 on:
   push:
     branches:
       - 'main'
-      - 'mq-working-branch**'
     paths:
       - 'ddtrace/profiling/collector/pytorch.py'
+  merge_group:
   pull_request:
     paths:
       - 'ddtrace/profiling/collector/pytorch.py'
-  workflow_dispatch: 
+  workflow_dispatch:
 
 jobs:
    unit-tests:

.github/workflows/requirements-locks.yml

@@ -3,7 +3,7 @@ on:
   push:
     branches:
       - main
-      - 'mq-working-branch**'
+  merge_group:
   pull_request:
     types: [opened, reopened, synchronize]