[jdk18u] RFR: 8285686: Upgrade to FreeType 2.12.0

[Phil Race]

This backport applies cleanly and passes all automated tests

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Commit messages:
 - 8285686: Upgrade to FreeType 2.12.0

Changes: https://git.openjdk.java.net/jdk18u/pull/115/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk18u&pr=115&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8285686
  Stats: 10933 lines in 293 files changed: 6807 ins; 2146 del; 1980 mod
  Patch: https://git.openjdk.java.net/jdk18u/pull/115.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk18u pull/115/head:pull/115

PR: https://git.openjdk.java.net/jdk18u/pull/115