Create CI `workflow_dispatch` trigger (#3954)

.github/workflows/ci.yaml

@@ -10,10 +10,24 @@ on:
     branches: [main]
   schedule:
     - cron: '0 0 * * *'  # runs at 00:00 UTC every day
+  workflow_dispatch:
+    inputs:
+      hub:
+        description: 'Run HUB'
+        default: false
+        type: boolean
+      tests:
+        description: 'Run Tests'
+        default: false
+        type: boolean
+      benchmarks:
+        description: 'Run Benchmarks'
+        default: false
+        type: boolean
 
 jobs:
   HUB:
-    if: github.repository == 'ultralytics/ultralytics' && (github.event_name == 'schedule' || github.event_name == 'push')
+    if: github.repository == 'ultralytics/ultralytics' && (github.event_name == 'schedule' || github.event_name == 'push' || (github.event_name == 'workflow_dispatch' && github.event.inputs.tests == 'true'))
     runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: false
@@ -74,6 +88,7 @@ jobs:
           print(json.dumps(response.json(), indent=2))
 
   Benchmarks:
+    if: github.event_name != 'workflow_dispatch' || github.event.inputs.benchmarks == 'true'
     runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: false
@@ -126,6 +141,7 @@ jobs:
           echo "$(cat benchmarks.log)" >> $GITHUB_STEP_SUMMARY
 
   Tests:
+    if: github.event_name != 'workflow_dispatch' || github.event.inputs.tests == 'true'
     timeout-minutes: 60
     runs-on: ${{ matrix.os }}
     strategy: