#7 change github action trigger

Author: rixwew

.github/workflows/build_linux.yml

@@ -1,6 +1,9 @@
 name: build wheels for linux
 
-on: [push]
+on:
+  push:
+    tags:
+      - v*
 
 jobs:
   build:

.github/workflows/build_mac.yml

@@ -1,6 +1,9 @@
 name: build wheels for macos
 
-on: [push]
+on:
+  push:
+    tags:
+      - v*
 
 jobs:
   build:

.github/workflows/build_win.yml

@@ -1,6 +1,9 @@
 name: build wheels for windows
 
-on: [push]
+on:
+  push:
+    tags:
+      - v*
 
 jobs:
   build:

.github/workflows/make_sdist.yml

@@ -1,6 +1,9 @@
 name: make source distribution
 
-on: [push]
+on:
+  push:
+    tags:
+      - v*
 
 jobs:
   build: