bug#30878: [PATCH] doc: fix two typos in github templates

[Bernhard Voelker]

On 03/20/2018 02:34 PM, Roland Hieber wrote:
> * .github/ISSUE_TEMPLATE.txt, .github/PULL_REQUEST_TEMPLATE.txt:
>   fix typo "coreitils" in the URL to the bug tracker.

Thanks, pushed (with a little tweak in the commit message).

Have a nice day,
Berny