Move BP generation and FTL runs to workflow_dispatch

Author: keyboardsurfer

.github/workflows/firebase_test_lab.yml

@@ -3,7 +3,7 @@ name: Runs Macro Benchmarks on Firebase Test Lab
 on:
   push:
     branches: [ macrobenchmark, main ]
-  pull_request:
+  workflow_dispatch:
 
 jobs:
   # This job checks for any file changed within MacrobenchmarkSample/ folder 

.github/workflows/generate-bp.yml

@@ -3,7 +3,7 @@ name: Generate Baseline Profiles
 on:
   push:
     branches: [ main ]
-  pull_request:
+  workflow_dispatch:
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.head_ref || github.ref }}