new release flow (#36021)

* new release flow

* Update README.md

release/README.md

@@ -3,33 +3,33 @@
 ```
 ## release checklist
 
-**Go to `devel-staging`**
-- [ ] make issue to track release
+**Go to staging**
+- [ ] make a GitHub issue to track release
+- [ ] create release master branch
 - [ ] update RELEASES.md
-- [ ] trigger new nightly build: https://github.com/commaai/openpilot/actions/workflows/release.yaml
-- [ ] update `devel-staging`: `git reset --hard origin/__nightly`
+- [ ] bump version on master: `common/version.h` and `RELEASES.md`
 - [ ] build new userdata partition from `release3-staging`
-- [ ] open a pull request from `devel-staging` to `devel`
 - [ ] post on Discord, tag `@release crew`
 
-**Go to `devel`**
-- [ ] bump version on master: `common/version.h` and `RELEASES.md`
-- [ ] before merging the pull request, test the following:
+Updates to staging:
+- [ ] either rebase on master or cherry-pick changes
+- [ ] run this to update: `BRANCH=devel-staging release/build_devel.sh`
+
+**Go to release**
+- [ ] before going to release, test the following:
   - [ ] update from previous release -> new release
   - [ ] update from new release -> previous release
   - [ ] fresh install with `openpilot-test.comma.ai`
   - [ ] drive on fresh install
   - [ ] no submodules or LFS
   - [ ] check sentry, MTBF, etc.
-  - [ ] stress test in production
-
-**Go to `release3`**
+  - [ ] stress test passes in production
 - [ ] publish the blog post
 - [ ] `git reset --hard origin/release3-staging`
 - [ ] tag the release: `git tag v0.X.X <commit-hash> && git push origin v0.X.X`
 - [ ] create GitHub release
 - [ ] final test install on `openpilot.comma.ai`
 - [ ] update factory provisioning
-- [ ] close out milestone
+- [ ] close out milestone and issue
 - [ ] post on Discord, X, etc.
 ```