Prepare for 1.14.0 release, bump pyperf to 2.10.0 (#455)

* Prepare for 1.15.0 release, bump pyperf to 2.10.0

* Apply suggestions from code review

* Address review

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Co-authored-by: Donghee Na <donghee.na92@gmail.com>

Prepare for 1.13.0 release (#435)

Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>

Prepare release 1.12.0 (#420)

Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>

Prepare release 1.11.0 (#331)

Prepare release 1.10.0 (#321)

Prepare release 1.0.9

Prepare release 1.0.8

Prepare release 1.0.7

Prepare release 1.0.6

Add benchmark to measure gc collection of a big chain of cycles (#243)