feat: update release notes

Signed-off-by: Norman Stetter <85173861+norman-zon@users.noreply.github.com>

Author: norman-zon

release-notes/current.yaml

@@ -49,6 +49,7 @@ new features: |
   Added support for sending Envoy Gateway route metadata to external authorization backends via `SecurityPolicy.spec.extAuth.includeRouteMetadata`.
   Added support for path override in ExtAuth HTTP service.
   Added support for defining Envoy Proxy image, pullPolicy, and pullSecrets via the helm chart.  Note that to merge these helm-configured values with EnvoyProxy resources, the EnvoyProxy must include `mergeType: StrategicMerge` or `mergeType: JSONMerge`.
+  Added support for `filterContext` field in Lua EnvoyExtensionPolicy, allowing shared Lua scripts to be parameterized per route via `request_handle:filterContext()`.
 
 bug fixes: |
   Fixed local rate limit rules with identical sourceCIDR client selectors producing conflicting descriptors.