chore(workflows) add concurrency with cancel in progress

.github/workflows/lint-prettier.yml

@@ -2,6 +2,11 @@ name: Lint & Prettier
 on:
   pull_request:
     branches: [main, dev]
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   lint:
     runs-on: ubuntu-latest

.github/workflows/security.yml

@@ -9,6 +9,10 @@ on:
 permissions:
   pull-requests: write
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   scout:
     # Docker Hub secrets are not exposed to pull requests from forks, so the