migrate stale action from actions repo

.github/workflows/stale.yml

@@ -8,4 +8,4 @@ on:
 
 jobs:
   stale:
-    uses: biocommons/actions/.github/workflows/stale.yml@main
+    uses: biocommons/.github/actions/stale.yml@main

README.md

@@ -4,6 +4,8 @@ This repo contains biocommons-wide configuration and templates.
 
 The contents of this repo are used in various ways by GitHub. Here's a summary:
 
+- actions/ contains GitHub Actions with configuration that is used by biocommons repos.
+
 - .github/ISSUE_TEMPLATE are used by all organization repos directly.  Changes to these templates will be available to other organizations repos. NOTE: If repos have their own .github/ISSUE_TEMPLATE directory, these templates will not be available (so don't do that).
 
 - .github/workflows are *templates* available for manual selective incorporation into other repos.
@@ -16,24 +18,26 @@ The contents of this repo are used in various ways by GitHub. Here's a summary:
 
 ---
 
-      snafu$ tree */ .github/
-      docs/
-      ├── CODE_OF_CONDUCT.md
-      ├── CONTRIBUTING.md
-      ├── GOVERNANCE.md
-      └── SUPPORT.md
-      etc/
-      └── labels.yml
-      profile/
-      └── README.md
-      .github/
-      ├── CODEOWNERS
-      ├── ISSUE_TEMPLATE
-      │   ├── bug-report.md
-      │   ├── feature-request.md
-      │   └── project-proposal.md
-      ├── labels.yml
-      └── workflows
-          ├── labels.yml
-          ├── python-package.yml
-          └── stale.yml
+    snafu$ tree */ .github/
+    actions/
+    └── stale.yml
+    docs/
+    ├── CODE_OF_CONDUCT.md
+    ├── CONTRIBUTING.md
+    ├── GOVERNANCE.md
+    └── SUPPORT.md
+    etc/
+    └── labels.yml
+    profile/
+    └── README.md
+    .github/
+    ├── CODEOWNERS
+    ├── ISSUE_TEMPLATE
+    │   ├── bug-report.md
+    │   ├── feature-request.md
+    │   └── project-proposal.md
+    ├── labels.yml
+    └── workflows
+        ├── labels.yml
+        ├── python-package.yml
+        └── stale.yml

actions/stale.yml

@@ -0,0 +1,26 @@
+name: 'Close stale issues and PRs'
+on: workflow_call
+
+jobs:
+  stale:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/stale@v9
+        with:
+          exempt-all-milestones: true
+          exempt-issue-labels: bug,keep-alive
+          exempt-pr-labels: bug,keep-alive
+
+          days-before-issue-close: 7
+          days-before-issue-stale: 90
+          stale-issue-label: stale
+          stale-issue-message: 'This issue is stale because it has been open 90 days with no activity. Remove stale label or comment or this will be closed in 7 days.'
+          close-issue-label: closed-by-stale
+          close-issue-message: 'This issue was closed because it has been stalled for 7 days with no activity.'
+
+          days-before-pr-close: 7
+          days-before-pr-stale: 30
+          stale-pr-label: stale
+          stale-pr-message: 'This PR is stale because it has been open 30 days with no activity. Remove stale label or comment or this will be closed in 7 days.'
+          close-pr-label: closed-by-stale
+          close-pr-message: 'This PR was closed because it has been stalled for 7 days with no activity.'