RFR: 8299918: Update Xcode11.3.1-MacOSX10.15 devkit at Oracle

[Mikael Vidstedt]

Update the Xcode11.3.1-MacOSX10.15 devkit version used on macOS at Oracle to work around an issue on Ventura.

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Commit messages:
 - 8299918: Update Xcode11.3.1-MacOSX10.15 devkit at Oracle

Changes: https://git.openjdk.org/jdk/pull/11932/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=11932&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8299918
  Stats: 2 lines in 1 file changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/11932.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/11932/head:pull/11932

PR: https://git.openjdk.org/jdk/pull/11932