Add support for manual invocation of the workflow

Author: rbair23

.github/workflows/test.yml

@@ -4,6 +4,7 @@ on:
   push:
     branches:
       - '**'
+  workflow_dispatch:
   pull_request:
 
 jobs:
@@ -48,4 +49,4 @@ jobs:
           PUBLIC_KEY: ${{ steps.solo.outputs.publicKey }}
           NETWORK: solo
         run: |
-          python test.py
+          python test.py