fix(aws-lambda): update deprecation warning for node.js 8.10 (#4624)

* Add deprecation warning on NODEJS_8_10

Node.js 8.10 will soon be EOL and AWS started to send out warning emails of current users.

See https://docs.aws.amazon.com/lambda/latest/dg/runtime-support-policy.html

* Update older deprecation warnings on Node.js

* Use @link

Author: coderbyheart

packages/@aws-cdk/aws-lambda/lib/runtime.ts

@@ -26,12 +26,13 @@ export class Runtime {
   /** A list of all known `Runtime`'s. */
   public static readonly ALL = new Array<Runtime>();
 
-  /** @deprecated Use `Nodejs810` or `Nodejs10x` */
+  /** @deprecated Use {@link NODEJS_10_X} */
   public static readonly NODEJS =       new Runtime('nodejs',         RuntimeFamily.NODEJS, { supportsInlineCode: true });
-  /** @deprecated Use `Nodejs810` or `Nodejs10x` */
+  /** @deprecated Use {@link NODEJS_10_X} */
   public static readonly NODEJS_4_3 =     new Runtime('nodejs4.3',      RuntimeFamily.NODEJS, { supportsInlineCode: true });
-  /** @deprecated Use `Nodejs810` or `Nodejs10x` */
+  /** @deprecated Use {@link NODEJS_10_X} */
   public static readonly NODEJS_6_10 =    new Runtime('nodejs6.10',     RuntimeFamily.NODEJS, { supportsInlineCode: true });
+  /** @deprecated Use {@link NODEJS_10_X} */
   public static readonly NODEJS_8_10 =    new Runtime('nodejs8.10',     RuntimeFamily.NODEJS, { supportsInlineCode: true });
   public static readonly NODEJS_10_X =    new Runtime('nodejs10.x',     RuntimeFamily.NODEJS, { supportsInlineCode: false });
   public static readonly PYTHON_2_7 =     new Runtime('python2.7',      RuntimeFamily.PYTHON, { supportsInlineCode: true });