release: merge back stable branch into default

Added tag v4.5.0 for changeset beaeeaa440cd

release: Finish preparation for 4.5.0

release: updated pip2nix output for 4.5.0

release: Merge default into stable for release preparation

parse_qs: improved parsing of query string for obfuscation.

remote-clone: obfuscate also given query string paramas that RhodeCode uses. Fixes #4668

remote-clones: make sure we always use obfuscated url inside logs. This prevents leaking some secrets into logging data. Fixes #4668

svn-backend: add handling of rename file as changes. Fixes #4258

git-version: strip the info returned from subcall to remove newline character.