RFR: 8374177: Update @since of HotSpotAOTCacheMXBean after JDK-8373607

[Nizar Benalla]

Changes to `HotSpotAOTCacheMXBean` have been backported to jdk 26, `@since` version needs to be updated to reflect that.

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Depends on: https://git.openjdk.org/jdk/pull/28942

Commit messages:
 - update HotSpotAOTCacheMXBean `@since`

Changes: https://git.openjdk.org/jdk/pull/28944/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=28944&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8374177
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/28944.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/28944/head:pull/28944

PR: https://git.openjdk.org/jdk/pull/28944