[jdk21u-dev] RFR: 8324723: GHA: Upgrade some actions to avoid deprecated Node 16 [v2]

[Aleksey Shipilev]

> Clean backport to dodge GHA dependencies deprecation. We are executing this as per our plan to get these changes to `-dev` repositories after forks for April releases. I will request approvals for push, but push only when 21.0.4 is open.
> 
> Additional testing:
>  - [x] GHA

Aleksey Shipilev has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains two additional commits since the last revision:

 - Merge branch 'master' into JDK-8324723-gha-node16
 - Backport 951b5f8ecb9cd2a72b3904c110179afe487ada2b

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

Changes:
  - all: https://git.openjdk.org/jdk21u-dev/pull/277/files
  - new: https://git.openjdk.org/jdk21u-dev/pull/277/files/83b22bc4..eb340f5f

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=277&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=277&range=00-01

  Stats: 2073 lines in 64 files changed: 1672 ins; 149 del; 252 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/277.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/277/head:pull/277

PR: https://git.openjdk.org/jdk21u-dev/pull/277