Update grunt requirement from ~0.4.1 to ~1.0.4

[dependabot-preview]

Updates the requirements on grunt to permit the latest version.

Changelog

Sourced from grunt's changelog.

v0.4.5:
date: 2014-05-12
changes:
- Updated rimraf to 2.2.8. Closes gh-1134.
- Moved grunt.log into separate grunt-legacy-log module.
- Updated grunt-legacy-util to 0.2.0. Closes gh-971, gh-1129, gh-1118.
- Added grunt.task.exists method to check if a task exists. Closes gh-1131.
- Added grunt.config.merge method to deep merge config data. See gh-1039.
- Fixed symlink issues with 'file.isPathCwd' and 'file.doesPathContain'. Closes gh-1112.
- Config and util.recurse no longer mangle Buffer instances. See gh-971.
- Config and util.recurse now enumerate inherited object properties. See gh-1129.
- Config and util.recurse now throw useful circular reference error. See gh-1118.
- Warn instead of error when no new tasks found via '.loadTasks' method. Closes gh-1059.
- Added Windows CI testing. Closes gh-1110.
- Removed "CONTRIBUTING.md" from .npmignore. Closes gh-1093.
v0.4.4:
date: 2014-03-12
changes:
- Only signal completion of tasks async if grunt.task.start is invoked with {asyncDone:true}.
v0.4.3:
date: 2014-03-07
changes:
- When devving Grunt, do "npm install && npm uninstall grunt" (isaacs/npm#3958)
- Grunt is now tested on Node.js 0.11
- Extracted internal "util" lib to "grunt-legacy-util" lib
- task.normalizeMultiTaskFiles now flattens nested "files" arrays. Closes gh-1034.
- Better error in renameTask if task doesn't exist. Closes gh-1058.
- Update rimraf to latest version. Closes gh-1043.
- Empty string "ext" should strip extension. Closes gh-1087.
- Add expandMapping .extDot option. Can be 'first' or 'last' but defaults to 'first'. Closes gh-979.
- Add default array for util.spawn optional args. Closes gh-1064.
- util.spawn "grunt" option now uses proper Node, passes Node exec options. Closes gh-980, gh-981, gh-877.
- Make all tasks asynchronous to reduce call stack. Closes gh-1026.
- Fix <%= grunt.task.current.target %> in Multitask files. Closes gh-994.
- Generalize cli tests, see gh-983, gh-991.
- --debug option can optionally be Boolean. Closes Gh-983, gh-991.
v0.4.2:
date: 2013-11-21
changes:
- Extract internal "namespace" lib to external "getobject" lib.
- '"Grunt collections" are now deprecated, use peerDependencies. See "grunt-contrib" 0.8.0 for details.'
- Fix stdout / stderr issues on Windows. Closes gh-940, gh-921, gh-744, gh-792, gh-644, gh-708.
- Fix pipe-redirecting on Windows. Closes gh-510.
- Fixed this.options() in renamed basic tasks. Closes gh-855.
- Update underscore.string dependency to follow semver. Closes gh-886.
- Output task options in verbose mode. Closes gh-749.
- Add file.preserveBOM property. Closes gh-806, gh-937.
- Test that file methods warn. Closes gh-909.
- Fixed a few spelling errors in code comments. Closes gh-849.
- Updated watch, jshint and nodeunit deps. Closes gh-914.

... (truncated)

Commits

• e6f9cdf Bumping version to 0.4.5.
• b74a35e Fix invalid YAML in CHANGELOG
• 2fce8dc Adding CHANGELOG changes for 0.4.5. Closes gh-1138.
• 057eb1c Add grunt.config.merge method to deep merge config data. See gh-1039.
• 155609c Added grunt.task.exists method to check if a task exists. Closes gh-1131.
• cb61003 Test realpath cwd in file.isPathCwd and file.doesPathContain. Closes gh-1112.
• e7260f7 Update grunt-legacy-util to 0.2.0. Closes gh-971, gh-1129.
• 85f4ed0 Update rimraf to 2.2.8. Closes gh-1134.
• 464cfdd Temp fix to grunt.file.delete for gh-1134.
• 66336ff Remove "CONTRIBUTING.md" from .npmignore. Closes gh-1093.
• Additional commits viewable in compare view

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