build: add tslib dependency to @angular/ssr target

Not sure why this wasn't needed before, but it seems to be necessary with the version bumps.

Author: dgp1130

packages/angular/ssr/BUILD.bazel

@@ -24,6 +24,7 @@ ts_library(
         "@npm//@angular/core",
         "@npm//@angular/platform-server",
         "@npm//@angular/router",
+        "@npm//tslib",
     ],
 )