RFR: 8297068: Update boot JDK to 19.0.1

[Ambarish Rapte]

Updating boot JDK to 19.0.1.
Gradle 7.3 is not compatible with JDK 19.0.1 hence updated the gradle minimum version as well.

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Commit messages:
 - boot jdk 19.0.1

Changes: https://git.openjdk.org/jfx/pull/979/files
 Webrev: https://webrevs.openjdk.org/?repo=jfx&pr=979&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8297068
  Stats: 12 lines in 2 files changed: 0 ins; 0 del; 12 mod
  Patch: https://git.openjdk.org/jfx/pull/979.diff
  Fetch: git fetch https://git.openjdk.org/jfx pull/979/head:pull/979

PR: https://git.openjdk.org/jfx/pull/979