added cancel-in-progress

Author: ChrisBarker-NOAA

.github/workflows/cibuildwheel.yaml

@@ -1,5 +1,9 @@
 name: Wheels
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 on:
   workflow_dispatch:
   release:

.github/workflows/static_docs.yml

@@ -1,6 +1,10 @@
 # Simple workflow for deploying static content to GitHub Pages
 name: Deploy static content to Pages
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 on:
   # Runs on pushes targeting the default branch
   push: