Fix github workflows

.github/workflows/ci.yml

@@ -3,8 +3,18 @@ name: CI
 on:
   push:
     branches: [ dev-2.x ]
+    paths-ignore:
+      - 'docs/**'
+      - '*.md'
+      - '*.rst'
+      - 'benchmarks/**'
   pull_request:
     branches: [ dev-2.x ]
+    paths-ignore:
+      - 'docs/**'
+      - '*.md'
+      - '*.rst'
+      - 'benchmarks/**'
 
 jobs:
   build:

.github/workflows/locks.yml

@@ -0,0 +1,20 @@
+# Copied from https://github.com/pallets/flask/blob/main/.github/workflows/lock.yaml
+
+# This does not automatically close "stale" issues. Instead, it locks closed issues after 3 weeks of no activity.
+# If there's a new issue related to an old one, we've found it's much easier to work on as a new issue.
+
+name: 'Lock threads'
+
+on:
+  schedule:
+    - cron: '0 0 * * *'
+
+jobs:
+  lock:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: dessant/lock-threads@v3
+        with:
+          github-token: ${{ github.token }}
+          issue-inactive-days: 21
+          pr-inactive-days: 21