"Release Process" section of sphinx documentation needs updates.

[ywkaras]

https://docs.trafficserver.apache.org/en/10.0.x/developer-guide/release-process/index.en.html#

There are references to autotools and SVN.

[ezelkow1]

There is also a similar doc located here, https://docs.trafficserver.apache.org/en/10.0.x/release-notes/release-procedures.en.html