bump version to 1.2.2 and simplify RubyGems publishing workflow

Author: wilburhimself

.github/workflows/release.yml

@@ -124,13 +124,7 @@ jobs:
 
     - name: Publish to RubyGems
       if: steps.tag_check.outputs.exists == 'false'
+      env:
+        GEM_HOST_API_KEY: ${{ secrets.RUBYGEMS_API_KEY }}
       run: |
-        mkdir -p ~/.gem
-        cat << EOF > ~/.gem/credentials
-        ---
-        :rubygems_api_key: ${{ secrets.RUBYGEMS_API_KEY }}
-        EOF
-        chmod 0600 ~/.gem/credentials
         gem push gem_guard-${{ steps.version.outputs.version }}.gem
-      env:
-        RUBYGEMS_API_KEY: ${{ secrets.RUBYGEMS_API_KEY }}

Gemfile.lock

@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    gem_guard (1.2.1)
+    gem_guard (1.2.2)
       json (~> 2.0)
       thor (~> 1.0)
       tty-prompt (~> 0.23)

lib/gem_guard/version.rb

@@ -1,3 +1,3 @@
 module GemGuard
-  VERSION = "1.2.1"
+  VERSION = "1.2.2"
 end