Matthew McEachen

SADNESS https://github.com/actions/runner-images/issues/6002

I was hoping that glibc had some sort of autoconf/environment variable magicks for `GLIBC_V2.21_MODE`, but it seems that newer glibc _removed_ older kernel support, so that's not going to happen....

I looked at this a bit more. I would suggest we drop Ubuntu 18 support. [EOL is at the end of this month](https://ubuntu.com/blog/ubuntu-18-04-eol-for-devices). This will be @JoshuaWise 's call. If...

I didn't test the new draft job yet, but see [c99fca6](https://github.com/mceachen/better-sqlite3/commit/c99fca6b901201505537da1628c8b8e6f688faf7) for what I was thinking.

Friendly ping @JoshuaWise

The functions are absolutely not equivalent. See https://gohugo.io/functions/intersect/ and https://gohugo.io/functions/union/.