RFR: 7903462: JMH: Upgrade pre-integration workflows [v3]

[Aleksey Shipilev]

> JDK 20 was released, and we need to start tracking 21-ea.

Aleksey Shipilev has updated the pull request incrementally with one additional commit since the last revision:

  Revert Temurin

-------------

Changes:
  - all: https://git.openjdk.org/jmh/pull/101/files
  - new: https://git.openjdk.org/jmh/pull/101/files/f599e484..bfbab2fe

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jmh&pr=101&range=02
 - incr: https://webrevs.openjdk.org/?repo=jmh&pr=101&range=01-02

  Stats: 1 line in 1 file changed: 1 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jmh/pull/101.diff
  Fetch: git fetch https://git.openjdk.org/jmh.git pull/101/head:pull/101

PR: https://git.openjdk.org/jmh/pull/101