[jdk13u-dev] RFR: 8269390: Bump update version for OpenJDK: jdk-13.0.9

[Yuri Nesterenko]

a necessary update before starting a new release in this train. Note that we change the version in .jcheck/conf here in the same commit.

-------------

Commit messages:
 - 8269390: Bump update version for OpenJDK: jdk-13.0.9

Changes: https://git.openjdk.java.net/jdk13u-dev/pull/232/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk13u-dev&pr=232&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8269390
  Stats: 3 lines in 2 files changed: 0 ins; 0 del; 3 mod
  Patch: https://git.openjdk.java.net/jdk13u-dev/pull/232.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk13u-dev pull/232/head:pull/232

PR: https://git.openjdk.java.net/jdk13u-dev/pull/232