fix(@angular-devkit/build-angular): update tree-kill dependency to 1.2.2

While the CLI is not affected by the following advisory, this change will address the audit warning and prevent potential future usage of the package within the CLI from being affected.
Advisory: https://www.npmjs.com/advisories/1432

package.json

@@ -144,7 +144,7 @@
     "spdx-satisfies": "^4.0.0",
     "tar": "^4.4.4",
     "through2": "^2.0.3",
-    "tree-kill": "^1.2.0",
+    "tree-kill": "^1.2.2",
     "ts-api-guardian": "0.4.6",
     "ts-node": "^5.0.0",
     "tslint-no-circular-imports": "^0.7.0",

packages/angular_devkit/benchmark/package.json

@@ -19,6 +19,6 @@
     "pidusage": "2.0.17",
     "pidtree": "0.3.0",
     "rxjs": "6.5.3",
-    "tree-kill": "^1.2.0"
+    "tree-kill": "^1.2.2"
   }
 }

packages/angular_devkit/build_angular/package.json

@@ -58,7 +58,7 @@
     "style-loader": "1.0.0",
     "stylus": "0.54.7",
     "stylus-loader": "3.0.2",
-    "tree-kill": "1.2.1",
+    "tree-kill": "1.2.2",
     "terser": "4.5.1",
     "terser-webpack-plugin": "2.2.1",
     "webpack": "4.41.2",

yarn.lock

@@ -10487,10 +10487,10 @@ tr46@^1.0.1:
   dependencies:
     punycode "^2.1.0"
 
-[email protected].1, tree-kill@^1.2.0:
-  version "1.2.1"
-  resolved "https://registry.yarnpkg.com/tree-kill/-/tree-kill-1.2.1.tgz#5398f374e2f292b9dcc7b2e71e30a5c3bb6c743a"
-  integrity sha512-4hjqbObwlh2dLyW4tcz0Ymw0ggoaVDMveUB9w8kFSQScdRLo0gxO9J7WFcUBo+W3C1TLdFIEwNOWebgZZ0RH9Q==
+[email protected].2, tree-kill@^1.2.2:
+  version "1.2.2"
+  resolved "https://registry.yarnpkg.com/tree-kill/-/tree-kill-1.2.2.tgz#4ca09a9092c88b73a7cdc5e8a01b507b0790a0cc"
+  integrity sha512-L0Orpi8qGpRG//Nd+H90vFB+3iHnue1zSSGmNOOCh1GLJ7rUKVwV2HvijphGQS2UmhUZewS9VgvxYIdgr+fG1A==
 
 treeify@^1.1.0:
   version "1.1.0"