move installation of frame-omni-bencher into a cmd.py itself (#7372)

.github/scripts/cmd/cmd.py

@@ -112,6 +112,11 @@ def main():
         runtimesMatrix = {x['name']: x for x in runtimesMatrix}
         print(f'Filtered out runtimes: {runtimesMatrix}')
 
+        compile_bencher = os.system(f"cargo install --path substrate/utils/frame/omni-bencher --locked --profile {profile}")
+        if compile_bencher != 0:
+            print_and_log('❌ Failed to compile frame-omni-bencher')
+            sys.exit(1)
+
         # loop over remaining runtimes to collect available pallets
         for runtime in runtimesMatrix.values():
             build_command = f"forklift cargo build -p {runtime['package']} --profile {profile} --features={runtime['bench_features']}"

.github/workflows/cmd.yml

@@ -344,11 +344,6 @@ jobs:
           else
             echo "arg=" >> $GITHUB_OUTPUT
           fi
-      
-      - name: Install dependencies for bench
-        if: startsWith(needs.get-pr-info.outputs.CMD, 'bench')
-        run: |
-          cargo install --path substrate/utils/frame/omni-bencher --locked --profile production
 
       - name: Run cmd
         id: cmd