Pin dependencies

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
grunt (source)	devDependencies	pin	~0.4.1 -> 0.4.5
grunt-bower-install (source)	devDependencies	pin	~1.0.0 -> 1.0.2
grunt-chrome-manifest	devDependencies	pin	~0.2.0 -> 0.2.4
grunt-concurrent	devDependencies	pin	~0.5.0 -> 0.5.0
grunt-contrib-clean	devDependencies	pin	~0.5.0 -> 0.5.0
grunt-contrib-compress	devDependencies	pin	~0.9.1 -> 0.9.1
grunt-contrib-concat	devDependencies	pin	~0.3.0 -> 0.3.0
grunt-contrib-connect	devDependencies	pin	~0.7.1 -> 0.7.1
grunt-contrib-copy	devDependencies	pin	~0.5.0 -> 0.5.0
grunt-contrib-cssmin	devDependencies	pin	~0.9.0 -> 0.9.0
grunt-contrib-htmlmin	devDependencies	pin	~0.2.0 -> 0.2.0
grunt-contrib-imagemin	devDependencies	pin	~0.7.1 -> 0.7.2
grunt-contrib-jshint	devDependencies	pin	~0.9.2 -> 0.9.2
grunt-contrib-uglify	devDependencies	pin	~0.4.0 -> 0.4.1
grunt-contrib-watch	devDependencies	pin	~0.6.1 -> 0.6.1
grunt-mocha	devDependencies	pin	~0.4.10 -> 0.4.15
grunt-svgmin	devDependencies	pin	~0.4.0 -> 0.4.0
grunt-usemin	devDependencies	pin	~2.1.0 -> 2.1.1
jshint-stylish	devDependencies	pin	~0.1.5 -> 0.1.5
load-grunt-tasks	devDependencies	pin	~0.4.0 -> 0.4.0
time-grunt	devDependencies	pin	~0.3.1 -> 0.3.2

📌 Important: Renovate will wait until you have merged this Pin PR before creating any upgrade PRs for the affected packages. Add the preset :preserveSemverRanges your config if you instead don't wish to pin dependencies.

---

Renovate configuration

📅 Schedule: At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻️ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

👻 Immortal: This PR will be recreated if closed unmerged. Get config help if that's undesired.

---

• If you want to rebase/retry this PR, check this box

---

This PR has been generated by WhiteSource Renovate. View repository job log here.