Fixed typo in code-quality rename of get_plugin.slug.sh to get_plugin_slug.sh

Author: colinmurphy

.github/workflows/code-quality.yml

@@ -31,7 +31,7 @@ jobs:
       - name: Get changed plugin directory
         id: plugin
         run: |
-          bash .github/scripts/get_plugin.slug.sh ${{ github.event.pull_request.base.sha }} ${{ github.sha }}
+          bash .github/scripts/get_plugin_slug.sh ${{ github.event.pull_request.base.sha }} ${{ github.sha }}
 
       - name: Detect changed plugins with quality config
         id: detect