Bump the dev-grunt group with 13 updates

Bumps the dev-grunt group with 13 updates:

| Package | From | To |
| --- | --- | --- |
| [grunt](https://github.com/gruntjs/grunt) | `1.6.0` | `1.6.1` |
| [grunt-banner](https://github.com/mattstyles/grunt-banner) | `0.5.0` | `0.6.0` |
| [grunt-contrib-clean](https://github.com/gruntjs/grunt-contrib-clean) | `2.0.0` | `2.0.1` |
| [grunt-contrib-concat](https://github.com/gruntjs/grunt-contrib-concat) | `2.0.0` | `2.1.0` |
| [grunt-contrib-copy](https://github.com/gruntjs/grunt-contrib-copy) | `0.8.2` | `1.0.0` |
| [grunt-contrib-imagemin](https://github.com/gruntjs/grunt-contrib-imagemin) | `3.1.0` | `4.0.0` |
| [grunt-contrib-jshint](https://github.com/gruntjs/grunt-contrib-jshint) | `3.1.1` | `3.2.0` |
| [grunt-contrib-watch](https://github.com/gruntjs/grunt-contrib-watch) | `1.0.1` | `1.1.0` |
| [grunt-file-append](http://dej.in.ua/grunt-file-append/) | `0.0.6` | `0.0.7` |
| [grunt-jsdoc](https://github.com/krampstudio/grunt-jsdoc) | `2.4.0` | `2.4.1` |
| [grunt-legacy-util](https://github.com/gruntjs/grunt-legacy-util) | `2.0.0` | `2.0.1` |
| [grunt-patch-wordpress](https://github.com/wordpress/grunt-patch-wordpress) | `3.0.1` | `4.0.0` |
| [grunt-replace-lts](https://github.com/whyisjake/grunt-replace) | `1.0.3` | `1.1.0` |


Updates `grunt` from 1.6.0 to 1.6.1
- [Release notes](https://github.com/gruntjs/grunt/releases)
- [Changelog](https://github.com/gruntjs/grunt/blob/main/CHANGELOG)
- [Commits](gruntjs/grunt@v1.6.0...v1.6.1)

Updates `grunt-banner` from 0.5.0 to 0.6.0
- [Changelog](https://github.com/mattstyles/grunt-banner/blob/master/History.md)
- [Commits](mattstyles/grunt-banner@0.5.0...0.6.0)

Updates `grunt-contrib-clean` from 2.0.0 to 2.0.1
- [Release notes](https://github.com/gruntjs/grunt-contrib-clean/releases)
- [Changelog](https://github.com/gruntjs/grunt-contrib-clean/blob/main/CHANGELOG)
- [Commits](gruntjs/grunt-contrib-clean@v2.0.0...v2.0.1)

Updates `grunt-contrib-concat` from 2.0.0 to 2.1.0
- [Release notes](https://github.com/gruntjs/grunt-contrib-concat/releases)
- [Changelog](https://github.com/gruntjs/grunt-contrib-concat/blob/main/CHANGELOG)
- [Commits](gruntjs/grunt-contrib-concat@v2.0.0...v2.1.0)

Updates `grunt-contrib-copy` from 0.8.2 to 1.0.0
- [Changelog](https://github.com/gruntjs/grunt-contrib-copy/blob/main/CHANGELOG)
- [Commits](gruntjs/grunt-contrib-copy@v0.8.2...v1.0.0)

Updates `grunt-contrib-imagemin` from 3.1.0 to 4.0.0
- [Release notes](https://github.com/gruntjs/grunt-contrib-imagemin/releases)
- [Commits](gruntjs/grunt-contrib-imagemin@v3.1.0...v4.0.0)

Updates `grunt-contrib-jshint` from 3.1.1 to 3.2.0
- [Release notes](https://github.com/gruntjs/grunt-contrib-jshint/releases)
- [Changelog](https://github.com/gruntjs/grunt-contrib-jshint/blob/main/CHANGELOG)
- [Commits](gruntjs/grunt-contrib-jshint@v3.1.1...v3.2.0)

Updates `grunt-contrib-watch` from 1.0.1 to 1.1.0
- [Changelog](https://github.com/gruntjs/grunt-contrib-watch/blob/main/CHANGELOG)
- [Commits](gruntjs/grunt-contrib-watch@v1.0.1...v1.1.0)

Updates `grunt-file-append` from 0.0.6 to 0.0.7

Updates `grunt-jsdoc` from 2.4.0 to 2.4.1
- [Release notes](https://github.com/krampstudio/grunt-jsdoc/releases)
- [Commits](krampstudio/grunt-jsdoc@2.4.0...v2.4.1)

Updates `grunt-legacy-util` from 2.0.0 to 2.0.1
- [Release notes](https://github.com/gruntjs/grunt-legacy-util/releases)
- [Changelog](https://github.com/gruntjs/grunt-legacy-util/blob/main/CHANGELOG)
- [Commits](gruntjs/grunt-legacy-util@v2.0.0...v2.0.1)

Updates `grunt-patch-wordpress` from 3.0.1 to 4.0.0
- [Commits](https://github.com/wordpress/grunt-patch-wordpress/commits)

Updates `grunt-replace-lts` from 1.0.3 to 1.1.0
- [Commits](https://github.com/whyisjake/grunt-replace/commits/v1.1.0)

---
updated-dependencies:
- dependency-name: grunt
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: dev-grunt
- dependency-name: grunt-banner
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: dev-grunt
- dependency-name: grunt-contrib-clean
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: dev-grunt
- dependency-name: grunt-contrib-concat
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: dev-grunt
- dependency-name: grunt-contrib-copy
  dependency-type: direct:development
  update-type: version-update:semver-major
  dependency-group: dev-grunt
- dependency-name: grunt-contrib-imagemin
  dependency-type: direct:development
  update-type: version-update:semver-major
  dependency-group: dev-grunt
- dependency-name: grunt-contrib-jshint
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: dev-grunt
- dependency-name: grunt-contrib-watch
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: dev-grunt
- dependency-name: grunt-file-append
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: dev-grunt
- dependency-name: grunt-jsdoc
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: dev-grunt
- dependency-name: grunt-legacy-util
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: dev-grunt
- dependency-name: grunt-patch-wordpress
  dependency-type: direct:development
  update-type: version-update:semver-major
  dependency-group: dev-grunt
- dependency-name: grunt-replace-lts
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: dev-grunt
...

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Author: dependabot[bot]