Reject colon between [closes/fixes/etc.] and ticket references

[jzaefferer]

Valid:

Docs: Fix a typo

Closes gh-155

Invalid:

Docs: Fix a typo

Closes: gh-155

[scottgonzalez]

Here's a list that triggers GitHub actions:

• close
• closes
• closed
• fix
• fixes
• fixed
• resolve
• resolves
• resolved

from https://help.github.com/articles/closing-issues-via-commit-messages

[jzaefferer]

Something like this might work:

if ( /^(close[sd]?|fix(e(sd)?)?|resolve[sd]?)/i.test( line ) ) { 

To match the keywords, need to check the rest of the line then.

[jzaefferer]

Released as part of 1.3.0.