[jfx11u] Integrated: 8270992: Change JavaFX release version in jfx11u to 11.0.13

[Kevin Rushforth]

Update the fix version to 11.0.13 for the start of a new release.

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Commit messages:
 - 8270992: Change JavaFX release version in jfx11u to 11.0.13

Changes: https://git.openjdk.java.net/jfx11u/pull/26/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jfx11u&pr=26&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8270992
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jfx11u/pull/26.diff
  Fetch: git fetch https://git.openjdk.java.net/jfx11u pull/26/head:pull/26

PR: https://git.openjdk.java.net/jfx11u/pull/26