rename, add concurrency

.github/workflows/Tasmota_build_devel.yml

@@ -1,4 +1,4 @@
-name: Build_firmware_development_cache
+name: Build_development
 
 on:
   workflow_dispatch:  # Manually start a workflow
@@ -8,6 +8,11 @@ on:
     - '.github/**' # Ignore changes towards the .github directory
     - '**.md' # Do no build if *.md files changes
 
+# Ensures that only one deploy task per branch/environment will run at a time.
+concurrency:
+  group: environment-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   base-images:
     runs-on: ubuntu-latest