Add to limited API manifest

Author: encukou

Doc/data/stable_abi.dat

@@ -2575,6 +2575,7 @@
     added = '3.14'
 [function.Py_PACK_VERSION]
     added = '3.14'
+
 [function.PySys_GetAttr]
     added = '3.15'
 [function.PySys_GetAttrString]
@@ -2583,3 +2584,24 @@
     added = '3.15'
 [function.PySys_GetOptionalAttrString]
     added = '3.15'
+[function.PyABIInfo_Check]
+    added = '3.15'
+[macro.PyABIInfo_VAR]
+    added = '3.15'
+[struct.PyABIInfo]
+    added = '3.15'
+    struct_abi_kind = 'full-abi'
+[const.Py_mod_abi]
+    added = '3.15'
+[const.PyABIInfo_DEFAULT_ABI_VERSION]
+    added = '3.15'
+[const.PyABIInfo_DEFAULT_FLAGS]
+    added = '3.15'
+[const.PyABIInfo_STABLE]
+    added = '3.15'
+[const.PyABIInfo_FREETHREADED]
+    added = '3.15'
+[const.PyABIInfo_GIL]
+    added = '3.15'
+[const.PyABIInfo_FREETHREADING_AGNOSTIC]
+    added = '3.15'