Update grunt-contrib-watch requirement to ~1.0.1

[dependabot-preview]

Updates the requirements on grunt-contrib-watch to permit the latest version.

Changelog

Sourced from grunt-contrib-watch's changelog.

v1.0.1:
date: 2018-04-20
changes:
- Update to gaze@1.1, lodash@4
v1.0.0:
date: 2016-03-12
changes:
- Updated tiny-lr, gaze, async and lodash dependencies.
- Fix endless loop issue with atBegin/nospawn.
- Expose hostname parameter of tiny-lr.
- Support cwd.event to emit events relative to path.
- Removed peerDependencies setting.
v0.6.1:
date: 2014-03-19
changes:
- Fix for watch targets named "default".
v0.6.0:
date: 2014-03-11
changes:
- Clear changed files after triggering live reload to ensure they're only triggered once.
- 'cwd option now accepts separate settings for files and spawn.'
- Fix to make interrupt work more than once.
- Enable live reload over HTTPS.
- Print newline after initial 'Waiting...'.
- Remove deprecated grunt.util libs.
- Add reload option to specify files other than Gruntfile files to reload.
- Update to gaze@0.5.1.
- Use a fork of tiny-lr (which has quiter operation, support for HTTPS and Windows path fixes).
- Add livereloadOnError, which if set to false will not trigger live reload if there is an error.
v0.5.3:
date: 2013-08-25
changes:
- Fixed for live reload missing files.
v0.5.2:
date: 2013-08-16
changes:
- Fixed issue running tasks after gruntfile is reloaded.
- Ignores empty file paths.
v0.5.1:
date: 2013-07-20
changes:
- Fixed issue with options resetting.
v0.5.0:
date: 2013-07-18
changes:
- Added target name to watch event.
- Added atBegin option to run tasks when watcher starts.
- Changed nospawn option to spawn (nospawn still available for backwards compatibility).
- Moved libs/vars into top scope to prevent re-init.
- Bumped Gaze version to ~0.4.

... (truncated)

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