Update git:// with https:// for attrs dependency

[gdelory]

Getting this error because of the legacy git:// protocol in the package.json:

20220111 06:36:57 : RC=0
�[91mnpm WARN deprecated request@2.88.2: request has been deprecated, see https://github.com/request/request/issues/3142
�[0m�[91mnpm WARN deprecated har-validator@5.1.5: this library is no longer supported
�[0m�[91mnpm WARN deprecated uuid@3.4.0: Please upgrade  to version 7 or higher.  Older versions may use Math.random() in certain circumstances, which is known to be problematic.  See https://v8.dev/blog/math-random for details.
�[0m�[91mnpm WARN deprecated querystring@0.2.0: The querystring API is considered Legacy. new code should use the URLSearchParams API instead.
�[0m�[91mnpm ERR! Error while executing:
npm ERR! /usr/bin/git ls-remote -h -t git://github.com/IBM/markdown-it-attrs.git
npm ERR!�[0m�[91m 
npm ERR!�[0m�[91m fatal: remote error: 
npm �[0m�[91mERR!   The unauthenticated git protocol on port 9418 is no longer supported.
npm �[0m�[91mERR!�[0m�[91m Please see https://github.blog/2021-09-01-improving-git-protocol-security-github/ for more information.
�[0m�[91mnpm�[0m�[91m ERR!�[0m�[91m 
npm �[0m�[91mERR!�[0m�[91m exited with error code: 128
�[0m�[91m
npm �[0m�[91mERR! A complete log of this run can be found in:

I'm thinking this line should be changed to use https://?

[gdelory]

Temporary work-around:
git config --global url."https://".insteadOf git://