fixes and adding gha concurrency

templates/call-super-linter.yaml

@@ -3,35 +3,42 @@
 name: Lint Code Base
 
 on:
-  
+
+  # run anytime a PR is merged to main or a direct push to main
   push:
     branches: [main]
-  
+
+  # run on any push to a PR branch
   pull_request:
 
+# cancel any previously-started, yet still active runs of this workflow on the same branch
+concurrency:
+  group: ${{ github.ref }}-${{ github.workflow }}
+  cancel-in-progress: true
+
 jobs:
   call-super-linter:
 
     name: Call Super-Linter
-    
+
     permissions:
       contents: read # clone the repo to lint
-      statuses: write #read/write to repo custom statuses
+      statuses: write # read/write to repo custom statuses
 
     ### use Reusable Workflows to call my workflow remotely
     ### https://docs.github.com/en/actions/learn-github-actions/reusing-workflows
     ### you can also call workflows from inside the same repo via file path
 
-    #FIXME: customize uri to point to your own forked super-linter repository
+    # FIXME: customize uri to point to your own reusable linter repository
     uses: bretfisher/super-linter-workflow/.github/workflows/reusable-super-linter.yaml@main
-    
+
     ### Optional settings examples
-    
+
     # with:
       ### For a DevOps-focused repository. Prevents some code-language linters from running
       ### defaults to false
       # devops-only: false
-      
+
       ### A regex to exclude files from linting
       ### defaults to empty
-      # filter-regex-exclude: html/.*
+      # filter-regex-exclude: html/.*