chore!: Drop support for node <6 & bump dependencies

Author: phated

.ci/.azure-pipelines-steps.yml

@@ -1,8 +1,4 @@
 steps:
-- script: npm i -g npm@$(npm_version)
-  displayName: Use legacy npm version $(npm_version)
-  condition: ne(variables['npm_version'], '')
-
 - task: NodeTool@0
   inputs:
     versionSpec: '$(node_version)'

.ci/.azure-pipelines.yml

@@ -15,12 +15,6 @@ jobs:
           node_version: 8
         Node_v6:
           node_version: 6
-        Node_v4:
-          node_version: 4
-        Node_v0_12:
-          node_version: 0.12
-        Node_v0_10:
-          node_version: 0.10
     steps:
       - template: .azure-pipelines-steps.yml
 
@@ -36,15 +30,6 @@ jobs:
           node_version: 8
         Node_v6:
           node_version: 6
-        Node_v4:
-          node_version: 4
-          npm_version: 2
-        Node_v0_12:
-          node_version: 0.12
-          npm_version: 2
-        Node_v0_10:
-          node_version: 0.10
-          npm_version: 2
     steps:
       - template: .azure-pipelines-steps.yml
 
@@ -60,12 +45,6 @@ jobs:
           node_version: 8
         Node_v6:
           node_version: 6
-        Node_v4:
-          node_version: 4
-        Node_v0_12:
-          node_version: 0.12
-        Node_v0_10:
-          node_version: 0.10
     steps:
       - template: .azure-pipelines-steps.yml
 

.travis.yml

@@ -4,8 +4,5 @@ node_js:
   - '10'
   - '8'
   - '6'
-  - '4'
-  - '0.12'
-  - '0.10'
 after_script:
   - npm run coveralls

appveyor.yml

@@ -4,9 +4,6 @@
 environment:
   matrix:
     # node.js
-    - nodejs_version: "0.10"
-    - nodejs_version: "0.12"
-    - nodejs_version: "4"
     - nodejs_version: "6"
     - nodejs_version: "8"
     - nodejs_version: "10"

index.js

@@ -1,7 +1,7 @@
 'use strict';
 
 var isGlob = require('is-glob');
-var pathDirname = require('path-dirname');
+var pathPosixDirname = require('path').posix.dirname;
 var isWin32 = require('os').platform() === 'win32';
 
 var slash = '/';
@@ -26,7 +26,7 @@ module.exports = function globParent(str) {
 
   // remove path parts that are globby
   do {
-    str = pathDirname.posix(str);
+    str = pathPosixDirname(str);
   } while (isGlob(str) || globby.test(str));
 
   // remove escape chars and return result

package.json

@@ -10,7 +10,7 @@
   "repository": "gulpjs/glob-parent",
   "license": "ISC",
   "engines": {
-    "node": ">= 0.10"
+    "node": ">= 6"
   },
   "main": "index.js",
   "files": [
@@ -25,16 +25,15 @@
     "coveralls": "nyc report --reporter=text-lcov | coveralls"
   },
   "dependencies": {
-    "is-glob": "^4.0.1",
-    "path-dirname": "^1.0.2"
+    "is-glob": "^4.0.1"
   },
   "devDependencies": {
     "coveralls": "github:phated/node-coveralls#2.x",
     "eslint": "^2.13.1",
     "eslint-config-gulp": "^3.0.1",
     "expect": "^1.20.2",
-    "mocha": "^3.5.3",
-    "nyc": "^10.3.2"
+    "mocha": "^6.0.2",
+    "nyc": "^13.3.0"
   },
   "keywords": [
     "glob",