Remove workflow concurrency limits

Author: lifeiscontent

.github/workflows/ci.yml

@@ -6,11 +6,6 @@ on:
   pull_request:
     branches: [main]
 
-# Cancel in-progress runs for the same ref (e.g. new pushes to a PR).
-concurrency:
-  group: ci-${{ github.ref }}
-  cancel-in-progress: true
-
 jobs:
   check:
     name: Check & Test & Build

.github/workflows/release.yml

@@ -4,10 +4,6 @@ on:
   push:
     branches: [main]
 
-concurrency:
-  group: release-${{ github.ref }}
-  cancel-in-progress: false
-
 jobs:
   release:
     name: Release

.github/workflows/storybook.yml

@@ -8,11 +8,6 @@ on:
   pull_request:
   workflow_dispatch: # manual redeploy (e.g. to restore production)
 
-# One deploy per ref; a newer push supersedes an in-flight one.
-concurrency:
-  group: storybook-${{ github.ref }}
-  cancel-in-progress: true
-
 jobs:
   deploy:
     name: Build & deploy Storybook