[skip changelog] Add workflow and repo dispatch triggers to stats collection workflows (#1463)

Author: silvanocerza

Diff for: .github/workflows/arduino-stats.yaml

@@ -4,6 +4,8 @@ on:
   schedule:
     # run every day at 12:30:00
     - cron: "30 12 * * *"
+  workflow_dispatch:
+  repository_dispatch:
 
 jobs:
   push-stats:

Diff for: .github/workflows/github-stats.yaml

@@ -4,6 +4,8 @@ on:
   schedule:
     # run every 30 minutes
     - cron: "*/30 * * * *"
+  workflow_dispatch:
+  repository_dispatch:
 
 jobs:
   push-stats: