[jdk11u] RFR: 8292255: Bump update version for OpenJDK: jdk-11.0.16.1

[Severin Gehwolf]

Version bump for the patch update.

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Commit messages:
 - 8292255: Bump update version for OpenJDK: jdk-11.0.16.1

Changes: https://git.openjdk.org/jdk11u/pull/48/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk11u&pr=48&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8292255
  Stats: 3 lines in 2 files changed: 0 ins; 0 del; 3 mod
  Patch: https://git.openjdk.org/jdk11u/pull/48.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u pull/48/head:pull/48

PR: https://git.openjdk.org/jdk11u/pull/48