RFR: 8261088: Repeatable annotations without @Target cannot have containers that target module declarations [v3]

[Liam Miller-Cushon]

> Please review this fix to consolidate handling of default `@Target`s for repeated annotations, and permit repeatable annotations without an `@Target` to have container annotations that explicitly target `MODULE`.

Liam Miller-Cushon has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains one commit:

  8261088: Repeatable annotations without @Target cannot have containers that target module declarations

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Changes: https://git.openjdk.java.net/jdk/pull/2412/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=2412&range=02
  Stats: 88 lines in 4 files changed: 66 ins; 16 del; 6 mod
  Patch: https://git.openjdk.java.net/jdk/pull/2412.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/2412/head:pull/2412

PR: https://git.openjdk.java.net/jdk/pull/2412