[jdk21u] RFR: 8314730: GHA: Drop libfreetype6-dev transitional package in favor of libfreetype-dev

[Aleksey Shipilev]

Clean backport to improve GHA stability.

Additional testing:
 - [  ] GHA

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Commit messages:
 - Backport 69d900d2ce97e5479020cff9a63c471d07e39989

Changes: https://git.openjdk.org/jdk21u/pull/85/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk21u&pr=85&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8314730
  Stats: 2 lines in 2 files changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk21u/pull/85.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u.git pull/85/head:pull/85

PR: https://git.openjdk.org/jdk21u/pull/85