Add concurrency to docker build

Author: duncte123

.github/workflows/1-build-projects.yml

@@ -33,6 +33,10 @@ jobs:
     build_docker:
         runs-on: ubuntu-latest
 
+        concurrency:
+            group: ${{ github.ref }}
+            cancel-in-progress: true
+
         steps:
             - uses: actions/checkout@v3
               with:

.github/workflows/2-release-bot.yml

@@ -46,6 +46,9 @@ jobs:
 
     build_docker:
         runs-on: ubuntu-latest
+        concurrency:
+            group: ${{ github.ref }}
+            cancel-in-progress: true
         steps:
             - uses: actions/checkout@v3
               with: