fixture: Upgrations of some packages, with one typo error

[SEWeiTung]

1. wont => won't.
2. Update 'semver' from 6.0.0 to 6.3.0.
3. Update 'marked' from 0.6.2 to 0.7.0, this is a fixture for some known
   vulnerability. Another will be fixed until fixture: Upgration of 'marked' package metalsmith/markdown#40 is merged.

See more at this,

=== npm audit security report ===

Run npm install marked@0.7.0 to resolve 1 vulnerability

Low Regular Expression Denial of Service

Package marked

Dependency of marked

Path marked

More info https://nodesecurity.io/advisories/1076

                             Manual Review                                  
         Some vulnerabilities require your attention to resolve             
                                                                            
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Low Regular Expression Denial of Service

Package marked

Patched in >=0.7.0

Dependency of metalsmith-markdown

Path metalsmith-markdown > marked

More info https://nodesecurity.io/advisories/1076

found 2 low severity vulnerabilities in 4559 scanned packages

[MylesBorins]

@MaledongGit in future can you open separate PRs for update dependencies as changing typos

[MylesBorins]

LGTM

[SEWeiTung]

@MylesBorins：Thanks, I see.