add workflow dispatch triggers

Author: Dumeng

Diff for: .github/workflows/python-310.yml

@@ -1,7 +1,7 @@
 name: python-310
 
 on:
-  workflow_dispatch
+  workflow_dispatch:
   push:
     branches:
       - master

Diff for: .github/workflows/python-311.yml

@@ -1,7 +1,7 @@
 name: python-311
 
 on:
-  workflow_dispatch
+  workflow_dispatch:
   push:
     branches:
       - master

Diff for: .github/workflows/python-312.yml

@@ -1,7 +1,7 @@
 name: python-312
 
 on:
-  workflow_dispatch
+  workflow_dispatch:
   push:
     branches:
       - master

Diff for: .github/workflows/python-313.yml

@@ -1,7 +1,7 @@
 name: python-313
 
 on:
-  workflow_dispatch
+  workflow_dispatch:
   push:
     branches:
       - master

Diff for: .github/workflows/python-39.yml

@@ -1,7 +1,7 @@
 name: python-39
 
 on:
-  workflow_dispatch
+  workflow_dispatch:
   push:
     branches:
       - master