refactor: deprecate evalSourceMap (#13063)

Missed a couple in #12966

Author: alan-agius4

packages/angular_devkit/build_angular/src/browser/schema.json

@@ -89,7 +89,8 @@
     "evalSourceMap": {
       "type": "boolean",
       "description": "Output in-file eval sourcemaps.",
-      "default": false
+      "default": false,
+      "x-deprecated": true
     },
     "vendorChunk": {
       "type": "boolean",

packages/angular_devkit/build_angular/src/server/schema.d.ts

@@ -43,6 +43,7 @@ export interface BuildWebpackServerSchema {
   vendorSourceMap?: boolean;
   /**
    * Output in-file eval sourcemaps.
+   * @deprecated
    */
   evalSourceMap?: boolean;
   /**