RFR: 8300806: Update googletest to v1.13.0

Fri Jan 20 23:40:56 UTC 2023

Please review this PR which updates the required version of googletest to v1.13.0.

It’s been (quite) a while since we upgraded the version of googletest used to run the hotspot unit tests (test/hotspot/gtest). The current version (1.8.1) is from 2018 and there is build issue with Xcode 14.x which has been resolved in more recent versions of googletest.

The configure.ac file has been removed from googletest so the only file which contains the version is CMakeLists.txt, hence the removed logic from `make/autoconf/lib-tests.m4`.

Testing: tier1, gtest:all, GHA

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Commit messages:
 - 8300806: Update googletest to v1.13.0

Changes: https://git.openjdk.org/jdk/pull/12125/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=12125&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8300806
  Stats: 23 lines in 6 files changed: 0 ins; 10 del; 13 mod
  Patch: https://git.openjdk.org/jdk/pull/12125.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/12125/head:pull/12125

PR: https://git.openjdk.org/jdk/pull/12125