ISSUE_TEMPLATE.md: Instructions for old versions (#2470)
ISSUE_TEMPLATE.md: Instructions for old versions (#2470)

* ISSUE_TEMPLATE.md: Instructions for old versions

Also, add a caution about `node sass` being deprecated.

* Update .github/ISSUE_TEMPLATE.md

Co-authored-by: Rod Vagg <f9f03903429036ef609ed7ca822fddfa76155c29@vagg.org>

Co-authored-by: Rod Vagg <f9f03903429036ef609ed7ca822fddfa76155c29@vagg.org>
nodejs/node-gyp,nodejs/node-gyp,nodejs/node-gyp,nodejs/node-gyp,nodejs/node-gyp