Update API test for new addition

Author: DougGregor

test/abi/macOS/arm64/concurrency.swift

@@ -66,6 +66,10 @@ Added: _$sScS8IteratorV4next9isolationxSgScA_pSgYi_tYaF
 // async function pointer to Swift.AsyncStream.Iterator.next(isolation: isolated Swift.Actor?) async -> A?
 Added: _$sScS8IteratorV4next9isolationxSgScA_pSgYi_tYaFTu
 
+// Swift.TaskGroup.Iterator.next(isolation: isolated Swift.Actor?) async -> A?
+Added: _$sScG8IteratorV4next9isolationxSgScA_pSgYi_tYaF
+Added: _$sScG8IteratorV4next9isolationxSgScA_pSgYi_tYaFTu
+
 // Swift.ThrowingTaskGroup.Iterator.next(isolation: isolated Swift.Actor?) async throws(B) -> A?
 Added: _$sScg8IteratorV4next9isolationxSgScA_pSgYi_tYaq_YKF
 
@@ -315,4 +319,3 @@ Added: _$ss9TaskLocalC13withValueImpl_9operation9isolation4file4lineqd__xn_qd__y
 // Swift.TaskLocal.withValue<A>(_: A, operation: () async throws -> A1, isolation: isolated Swift.Actor?, file: Swift.String, line: Swift.UInt) async throws -> A1
 Added: _$ss9TaskLocalC9withValue_9operation9isolation4file4lineqd__x_qd__yYaKXEScA_pSgYiSSSutYaKlF
 Added: _$ss9TaskLocalC9withValue_9operation9isolation4file4lineqd__x_qd__yYaKXEScA_pSgYiSSSutYaKlFTu
-

test/abi/macOS/x86_64/concurrency.swift

@@ -66,6 +66,10 @@ Added: _$sScS8IteratorV4next9isolationxSgScA_pSgYi_tYaF
 // async function pointer to Swift.AsyncStream.Iterator.next(isolation: isolated Swift.Actor?) async -> A?
 Added: _$sScS8IteratorV4next9isolationxSgScA_pSgYi_tYaFTu
 
+// Swift.TaskGroup.Iterator.next(isolation: isolated Swift.Actor?) async -> A?
+Added: _$sScG8IteratorV4next9isolationxSgScA_pSgYi_tYaF
+Added: _$sScG8IteratorV4next9isolationxSgScA_pSgYi_tYaFTu
+
 // Swift.ThrowingTaskGroup.Iterator.next(isolation: isolated Swift.Actor?) async throws(B) -> A?
 Added: _$sScg8IteratorV4next9isolationxSgScA_pSgYi_tYaq_YKF