Add pgRouting 3.0.1 release version and update 3.0-develop/master

[sanak]

Is your feature request related to a problem? Please describe. pgRouting 3.0.1 was released at July 5th, and I felt that this is quite useful for debugging longer process query. https://lists.osgeo.org/pipermail/pgrouting-dev/2020-July/002095.html

Describe the solution you'd like I think that the following images add/update will be necessary.

• 11-2.5-3.0.1 (Add)
• 12-3.0-3.0.1 (Add)
• 12-3.0-develop (Update)
• 12-3.0-master (Update)

[cayetanobv]

Added PR #33 with new versions.