Fix bash syntax highlighting

[andremartinssw]

Fixes #273

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[bourdakos1]

The release needs to happen in a follow up PR so could you revert the version change and create a new PR once this is submitted? Thanks :)

[andremartinssw]

Thank you @bourdakos1
I've reverted the version bump and changelog here, and opened #275. Let me know if you need me to change anything else!