chore(gcp): Adding STRONG_COOKIE_AFFINITY in gcp LB model (#10124) (#10127)

(cherry picked from commit 32f0e3d)

Co-authored-by: Christos Arvanitis <christos.arvanitis@armory.io>

Author: mergify[bot]

packages/google/src/loadBalancer/configure/common/sessionAffinityNameMaps.ts

@@ -12,6 +12,7 @@ export const sessionAffinityViewToModelMap: IStringMap = {
   'Client IP, port and protocol': 'CLIENT_IP_PORT_PROTO',
   'Header Field': 'HEADER_FIELD',
   'HTTP Cookie': 'HTTP_COOKIE',
+  'Strong Cookie': 'STRONG_COOKIE_AFFINITY',
 };
 
 export const sessionAffinityModelToViewMap = _.invert<IStringMap, IStringMap>(sessionAffinityViewToModelMap);