Update grunt-contrib-concat requirement from ~0.5.0 to ~1.0.1

[dependabot-preview]

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

Changelog

Sourced from grunt-contrib-concat's changelog.

v1.0.1:
date: 2016-04-20
changes:
- Fix for concatenating multiple source map files.
v1.0.0:
date: 2016-02-20
changes:
- Update source-map to 0.5.3.
- Tag Grunt as peerDep to >=0.4.0.
- Make source maps generation a little faster.
- Add charset:utf-8 to sourceMappingURL.
v0.5.1:
date: 2015-02-20
changes:
- Fix path issues with source maps on Windows.
v0.5.0:
date: 2014-07-19
changes:
- Adds sourceMap option.
v0.4.0:
date: 2014-03-21
changes:
- README updates.
- Output updates.
v0.3.0:
date: 2013-04-25
changes:
- Add option to process files with a custom function.
v0.2.0:
date: 2013-04-08
changes:
- Don't normalize separator to allow user to set LF even on a Windows environment.
v0.1.3:
date: 2013-02-22
changes:
- Support footer option.
v0.1.2:
date: 2013-02-15
changes:
- First official release for Grunt 0.4.0.
v0.1.2rc6:
date: 2013-01-18
changes:
- Updating grunt/gruntplugin dependencies to rc6.
- Changing in-development grunt/gruntplugin dependency versions from tilde version ranges to specific versions.
v0.1.2rc5:
date: 2013-01-09
changes:
- Updating to work with grunt v0.4.0rc5.
- Switching back to this.files API.

... (truncated)

Commits

• dcc347f v1.0.1
• e8577c5 Merge pull request #156 from leigeber/master
• e5f6546 Remove newline expectation from mapped source content
• a1dd214 Update CI configs from the latest grunt-contrib-internal.
• 75d4dd5 Upgrade grunt and devDeps to 1.0
• 8884aef Create central, single sourcemap RegEx variable
• 2a18b92 Update CHANGELOG.
• a6de8b3 Merge pull request #151 from brutalcrozt/patch-2
• d16c15f Update README.md
• 0e3a065 Remove JSHint from default task.
• Additional commits viewable in compare view

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[dependabot-preview]

Dependabot tried to update this pull request, but something went wrong. We're looking into it, but in the meantime you can retry the update by commenting @dependabot rebase.