release: kick off v1.15.0 (envoyproxy#10705)

Signed-off-by: Matt Klein <[email protected]>

GOVERNANCE.md

@@ -93,10 +93,10 @@ or you can subscribe to the iCal feed [here](https://app.opsgenie.com/webcal/get
   [VERSION](VERSION).**
 * Create a branch from the tagged release, e.g. "release/v1.6". It will be used for the
   [stable releases](RELEASES.md#stable-releases).
-* Monitor the CircleCI tag build to make sure that the final docker images get pushed along with
+* Monitor the AZP tag build to make sure that the final docker images get pushed along with
   the final docs. The final documentation will end up in the
   [envoyproxy.github.io repository](https://github.com/envoyproxy/envoyproxy.github.io/tree/master/docs/envoy).
-* Contact rdl@ on Slack so that the website can be updated for the new release.
+* Update the website ([example PR](https://github.com/envoyproxy/envoyproxy.github.io/pull/148)) for the new release.
 * Craft a witty/uplifting email and send it to all the email aliases including envoy-announce@.
 * If possible post on Twitter (either have Matt do it or contact caniszczyk@ on Slack and have the
   Envoy account post).

VERSION

@@ -1 +1 @@
-1.14.0
+1.15.0-dev

docs/root/intro/deprecated.rst

@@ -10,6 +10,9 @@ The following features have been DEPRECATED and will be removed in the specified
 A logged warning is expected for each deprecated item that is in deprecation window.
 Deprecated items below are listed in chronological order.
 
+1.15.0 (Pending)
+================
+
 1.14.0 (April 8, 2020)
 ======================
 * The previous behavior for upstream connection pool circuit breaking described

docs/root/intro/version_history.rst

@@ -1,6 +1,9 @@
 Version history
 ---------------
 
+1.15.0 (Pending)
+================
+
 1.14.0 (April 8, 2020)
 ======================
 * access log: access logger extensions use the "envoy.access_loggers" name space. A mapping