ci: simplify docs workflow concurrency groups

- Replaces complex concurrency groups with simple 'docs' group
- Updates tag pattern in stable workflow to be more specific

Author: liblaf

template/.github/workflows/docs-dev.yaml

@@ -17,8 +17,7 @@ jobs:
       pages: write
     runs-on: ubuntu-latest
     concurrency:
-      group: ${{ github.workflow }}-${{ github.ref }}-docs
-      cancel-in-progress: true
+      group: docs
     steps:
       - id: auth
         name: Auth App

template/.github/workflows/docs-stable.yaml

@@ -6,7 +6,7 @@ name: Docs (stable)
 on:
   push:
     tags:
-      - v*
+      - v[0-9]*
   release:
     types:
       - published
@@ -21,8 +21,7 @@ jobs:
     if: startsWith(github.ref, 'refs/tags/v')
     runs-on: ubuntu-latest
     concurrency:
-      group: ${{ github.workflow }}-${{ github.ref }}-docs
-      cancel-in-progress: true
+      group: docs
     steps:
       - id: auth
         name: Auth App