Release of Vitess v14.0.4

Major Changes

Upgrade to go1.18.7

Vitess v14.0.4 now runs on go1.18.7.
The patch release of Go, go1.18.7, was one of the main reasons for this release as it includes important security fixes to packages used by Vitess.
Below is a summary of this patch release. You can learn more here.

go1.18.7 (released 2022-10-04) includes security fixes to the archive/tar, net/http/httputil, and regexp packages, as well as bug fixes to the compiler, the linker, and the go/types package.

Corrupted results for non-full-group-by queries with JOINs

An issue in versions <= v14.0.3 and <= v15.0.0 that generated corrupted results for non-full-group-by queries with a JOIN
is now fixed. The full issue can be found here, and its fix here.

The entire changelog for this release can be found here.

The release includes 24 commits (excluding merges)

Thanks to all our contributors: @GuptaManan100, @dbussink, @frouioui, @harshit-gangal, @systay, @vitess-bot[bot]