gh-151126: Add missing PyErr_NoMemory() in type_from_slots_or_spec (#151582)

Co-authored-by: Stan Ulbrych <stan@python.org>

Author: ByteFlowing1337

Misc/ACKS

@@ -2145,6 +2145,7 @@ Xiang Zhang
 Robert Xiao
 Florent Xicluna
 Yanbo, Xie
+Ivy Xu
 Kaisheng Xu
 Xinhang Xu
 Arnon Yaari

Objects/typeobject.c

@@ -5493,6 +5493,7 @@ type_from_slots_or_spec(
     Py_ssize_t name_buf_len = strlen(it.name) + 1;
     _ht_tpname = PyMem_Malloc(name_buf_len);
     if (_ht_tpname == NULL) {
+        PyErr_NoMemory();
         goto finally;
     }
     memcpy(_ht_tpname, it.name, name_buf_len);
@@ -5779,7 +5780,7 @@ type_from_slots_or_spec(
     ((PyObject*)type)->ob_flags |= _Py_TYPE_REVEALED_FLAG;
 #endif
 
- finally:
+finally:
     if (PyErr_Occurred()) {
         Py_CLEAR(res);
     }