fix: release workflow for Git Updater compatibility

- Change tag pattern from v* to semver without prefix
- Git Updater requires tags like 0.3.1, not v0.3.1
- Bump version to 0.3.1

Author: danieliser

.github/workflows/release.yml

@@ -3,7 +3,7 @@ name: Release
 on:
   push:
     tags:
-      - 'v*'
+      - '[0-9]+.[0-9]+.[0-9]+*'
 
 permissions:
   contents: write
@@ -34,7 +34,7 @@ jobs:
 
       - name: Get version from tag
         id: get_version
-        run: echo "VERSION=${GITHUB_REF#refs/tags/v}" >> $GITHUB_OUTPUT
+        run: echo "VERSION=${GITHUB_REF#refs/tags/}" >> $GITHUB_OUTPUT
 
       - name: Create plugin zip
         run: |

integration-features.php

@@ -3,7 +3,7 @@
  * Plugin Name:       Integration Features
  * Plugin URI:        https://github.com/code-atlantic/integration-features
  * Description:       Gutenberg blocks for displaying integration features with tier badges, accordion descriptions, and group organization.
- * Version:           0.3.0
+ * Version:           0.3.1
  * Requires at least: 6.7
  * Requires PHP:      7.4
  * Author:            Code Atlantic