gempush.yml in blurhash-0.1.7

- old
+ new

@@ -1,8 +1,9 @@
 name: Ruby Gem
 
 on:
+  workflow_dispatch:
   push:
     tags:
       - v*
 
 jobs:
@@ -10,14 +11,12 @@
     name: Build + Publish
     runs-on: ubuntu-latest
 
     steps:
     - uses: actions/checkout@master
-    - name: Set up Ruby 2.6
-      uses: actions/setup-ruby@v1
+    - uses: ruby/setup-ruby@v1.137.0
       with:
-        ruby-version: 2.6.x
-
+        ruby-version: '3.0'
     - name: Publish to RubyGems
       run: |
         mkdir -p $HOME/.gem
         touch $HOME/.gem/credentials
         chmod 0600 $HOME/.gem/credentials