chore(*): update Node.js from 8 to 12, update some dependencies

Node.js 8 ends its support at the end of 2019. Node 12 will be supported
until April 2022 which is way past AngularJS end of support.

Some dependencies needed to be updated to make them work in Node.js 12.

.nvmrc

@@ -1 +1 @@
-8
+12

.travis.yml

@@ -1,7 +1,7 @@
 language: node_js
 sudo: false
 node_js:
-  - '8'
+  - '12'
 
 cache:
   yarn: true
@@ -27,7 +27,7 @@ env:
     - secure: oTBjhnOKhs0qDSKTf7fE4f6DYiNDPycvB7qfSF5QRIbJK/LK/J4UtFwetXuXj79HhUZG9qnoT+5e7lPaiaMlpsIKn9ann7ffqFWN1E8TMtpJF+AGigx3djYElwfgf5nEnFUFhwjFzvbfpZNnxVGgX5YbIZpe/WUbHkP4ffU0Wks=
 
 before_install:
-  - curl -o- -L https://yarnpkg.com/install.sh | bash -s -- --version 1.10.1
+  - curl -o- -L https://yarnpkg.com/install.sh | bash -s -- --version 1.21.1
   - export PATH="$HOME/.yarn/bin:$PATH"
 
 before_script:

package.json

@@ -9,8 +9,8 @@
     "url": "https://github.com/angular/angular.js.git"
   },
   "engines": {
-    "node": ">=8.12.0",
-    "yarn": ">=1.10.1",
+    "node": ">=12.14.1",
+    "yarn": ">=1.21.1",
     "grunt-cli": "^1.2.0"
   },
   "scripts": {
@@ -22,7 +22,7 @@
     "angular-benchpress": "0.x.x",
     "benchmark": "1.x.x",
     "bootstrap": "3.1.1",
-    "browserstacktunnel-wrapper": "2.0.0",
+    "browserstacktunnel-wrapper": "2.0.4",
     "canonical-path": "0.0.2",
     "changez": "^2.1.1",
     "changez-angular": "^2.1.2",
@@ -62,18 +62,18 @@
     "jquery": "3.5.1",
     "jquery-2.1": "npm:jquery@2.1.4",
     "jquery-2.2": "npm:jquery@2.2.4",
-    "karma": "^3.1.4",
-    "karma-browserstack-launcher": "^1.3.0",
-    "karma-chrome-launcher": "^2.2.0",
-    "karma-edge-launcher": "^0.4.2",
-    "karma-firefox-launcher": "^1.1.0",
-    "karma-ie-launcher": "^1.0.0",
+    "karma": "4.4.1",
+    "karma-browserstack-launcher": "1.5.1",
+    "karma-chrome-launcher": "3.1.0",
+    "karma-edge-launcher": "0.4.2",
+    "karma-firefox-launcher": "1.2.0",
+    "karma-ie-launcher": "1.0.0",
     "karma-jasmine": "^1.1.2",
-    "karma-junit-reporter": "^1.2.0",
-    "karma-safari-launcher": "^1.0.0",
-    "karma-sauce-launcher": "^2.0.2",
-    "karma-script-launcher": "^1.0.0",
-    "karma-spec-reporter": "^0.0.32",
+    "karma-junit-reporter": "2.0.1",
+    "karma-safari-launcher": "1.0.0",
+    "karma-sauce-launcher": "2.0.2",
+    "karma-script-launcher": "1.0.0",
+    "karma-spec-reporter": "0.0.32",
     "load-grunt-tasks": "^3.5.0",
     "lodash": "~2.4.1",
     "log4js": "^0.6.27",
@@ -102,7 +102,9 @@
   "resolutions": {
     "//1": "`natives@1.1.0` does not work with Node.js 10.x on Windows 10",
     "//2": "(E.g. see https://github.com/gulpjs/gulp/issues/2162 and https://github.com/nodejs/node/issues/25132.)",
-    "natives": "1.1.6"
+    "natives": "1.1.6",
+    "//3": "`graceful-fs` needs to be pinned to support gulp 3, on Node v12+",
+    "graceful-fs": "^4.2.3"
   },
   "commitplease": {
     "style": "angular",

scripts/jenkins/init-node.sh

@@ -8,7 +8,7 @@ nvm install
 
 # clean out and install yarn
 rm -rf ~/.yarn
-curl -o- -L https://yarnpkg.com/install.sh | bash -s -- --version 1.10.1
+curl -o- -L https://yarnpkg.com/install.sh | bash -s -- --version 1.21.1
 export PATH="$HOME/.yarn/bin:$PATH"
 
 # Ensure that we have the local dependencies installed