repo: Release v1.28.6

Changes:

- Update curl lib to resolve CVE-2024-7264
- Assorted fixes
- Updated container images

**Docker images**:
    https://hub.docker.com/r/envoyproxy/envoy/tags?page=1&name=v1.28.6
**Docs**:
    https://www.envoyproxy.io/docs/envoy/v1.28.6/
**Release notes**:
    https://www.envoyproxy.io/docs/envoy/v1.28.6/version_history/v1.28/v1.28.6
**Full changelog**:
    v1.28.5...v1.28.6

Signed-off-by: Ryan Northey <ryan@synca.io>

VERSION.txt

@@ -1 +1 @@
-1.28.6-dev
+1.28.6

changelogs/current.yaml

@@ -1,20 +1,9 @@
-date: Pending
-
-behavior_changes:
-# *Changes that are expected to cause an incompatibility if applicable; deployment changes are likely required*
-
-minor_behavior_changes:
-# *Changes that may cause incompatibilities for some users, but should not for most*
+date: September 13, 2024
 
 bug_fixes:
-# *Changes expected to improve the state of the world and are unlikely to have negative effects*
 - area: stateful_session
   change: |
     Support 0 TTL for proto-encoded cookies, which disables cookie expiration by Envoy.
-
-removed_config_or_runtime:
-# *Normally occurs at the end of the* :ref:`deprecation period <deprecated>`
-
-new_features:
-
-deprecated:
+- area: dependencies
+  change: |
+    Update curl to mitigate CVE-2024-7264.

docs/versions.yaml

@@ -21,4 +21,4 @@
 "1.25": 1.25.11
 "1.26": 1.26.8
 "1.27": 1.27.7
-"1.28": 1.28.4
+"1.28": 1.28.5