[jdk22u] RFR: 8328638: Fallback option for POST-only OCSP requests [v3]

[Aleksey Shipilev]

> Improves JDK OCSP compatibility with some real world OCSP responders. Starts to be a problem since JDK 17 introduced GET OCSP requests. The default behavior is not changed.
> 
> Additional testing:
>  - [x] `jdk_security` pass, includes new test cases

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:

 - Backport 4a14cba2f1632c5cb91e37a07638ea6d8ad4ec00
 - Backport 614db2ea9e10346475eef34629eab54878aa482d

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

Changes:
  - all: https://git.openjdk.org/jdk22u/pull/121/files
  - new: https://git.openjdk.org/jdk22u/pull/121/files/2a820c4f..d643cf8d

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk22u&pr=121&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk22u&pr=121&range=01-02

  Stats: 77 lines in 3 files changed: 56 ins; 4 del; 17 mod
  Patch: https://git.openjdk.org/jdk22u/pull/121.diff
  Fetch: git fetch https://git.openjdk.org/jdk22u.git pull/121/head:pull/121

PR: https://git.openjdk.org/jdk22u/pull/121