Merge pull request #5545 from prometheus/beorn7/release

Volunteer beorn7 as 2.10 release shepherd

RELEASE.md

@@ -14,7 +14,8 @@ Release cadence of first pre-releases being cut is 6 weeks.
 | v2.7           | 2019-01-16                                 | Goutham Veeramachaneni (GitHub: @gouthamve) |
 | v2.8           | 2019-02-27                                 | Ganesh Vernekar (GitHub: @codesome)         |
 | v2.9           | 2019-04-10                                 | Brian Brazil (GitHub: @brian-brazil)        |
-| v2.10          | 2019-05-22                                 | **searching for volunteer**                 |
+| v2.10          | 2019-05-22                                 | Björn Rabenstein (GitHub: @beorn7)          |
+| v2.11          | 2019-07-03                                 | **searching for volunteer**                 |
 
 If you are interested in volunteering please create a pull request against the [prometheus/prometheus](https://github.com/prometheus/prometheus) repository and propose yourself for the release series of your choice.
 
@@ -27,6 +28,8 @@ The release shepherd is responsible for the entire release series of a minor rel
 * Once a pre-release has been released, the `master` branch of the repository is frozen for any feature work, only critical bug fix work concerning the minor release is merged.
 * Pre-releases are done from `master`, after pre-releases are promoted to the stable release a `release-major.minor` branch is created.
 
+_Experimental change of the above procedure for the v2.10 release: The `release-2.10` branch is created at the time the first pre-release is cut. All releases of the series including pre-releases are cut from the `release-2.10` branch. `master` will not be frozen for feature work._
+
 See the next section for details on cutting an individual release.
 
 ## How to cut an individual release