[clang] [APINotes] Add SWIFT_RETURNS_(UN)RETAINED support (PR #118938)

[Egor Zhdan via cfe-commits]

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@@ -24,7 +24,7 @@ const uint16_t VERSION_MAJOR = 0;
 /// API notes file minor version number.
 ///
 /// When the format changes IN ANY WAY, this number should be incremented.
-const uint16_t VERSION_MINOR = 33; // SwiftEscapable
+const uint16_t VERSION_MINOR = 34; // SwiftEscapable
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egorzhdan wrote:

Please update this comment to indicate the format change, e.g. `// SwiftReturnOwnership`

https://github.com/llvm/llvm-project/pull/118938