Release v0.34.5 - RC2

[alexanderbez]

Cherry picked non-breaking the following PRs which already exist on master:

• allow splitting withdrawal txs #4384

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• Targeted PR against correct branch (see CONTRIBUTING.md)

• Linked to github-issue with discussion and accepted design OR link to spec that describes this work.

• Wrote tests

• Updated relevant documentation (docs/)

• Added a relevant changelog entry: clog add [section] [stanza] [message]

• rereviewed Files changed in the github PR explorer

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For Admin Use:

• Added appropriate labels to PR (ex. wip, ready-for-review, docs)
• Reviewers Assigned
• Squashed all commits, uses message "Merge pull request #XYZ: [title]" (coding standards)

[codecov]

Codecov Report

Merging #4412 into rc1/v0.34.5 will decrease coverage by 0.68%.
The diff coverage is 44.44%.

@@              Coverage Diff               @@
##           rc1/v0.34.5   #4412      +/-   ##
==============================================
- Coverage        60.09%   59.4%   -0.69%     
==============================================
  Files              212     214       +2     
  Lines            15222   15418     +196     
==============================================
+ Hits              9147    9159      +12     
- Misses            5442    5624     +182     
- Partials           633     635       +2