Support Apollo4

[kahest]

Problem Statement

Our current Apollo/Apollo3 integrations don't work with Apollo4 (see https://github.com/getsentry/sentry-java/issues/3661).

Solution Brainstorm

Add support for Apollo4, probably as a new module.

• Use migration guide: https://www.apollographql.com/docs/kotlin/migration/4.0/
• Update docs

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