Add missing logaddexp to __init__.py

Author: vlad-perevezentsev

dpctl_ext/tensor/__init__.py

@@ -131,6 +131,7 @@
     log1p,
     log2,
     log10,
+    logaddexp,
     logical_not,
     negative,
     positive,
@@ -244,6 +245,7 @@
     "less_equal",
     "linspace",
     "log",
+    "logaddexp",
     "logical_not",
     "logsumexp",
     "log1p",