Add NEWS entry.

ericsnowcurrently · ericsnowcurrently · commit 9df32672add1 · 2019-05-31T14:06:41.000-06:00
diff --git a/Misc/NEWS.d/next/Core and Builtins/2019-05-06-14-46-48.bpo-36818.5UDDLj.rst b/Misc/NEWS.d/next/Core and Builtins/2019-05-06-14-46-48.bpo-36818.5UDDLj.rst
@@ -0,0 +1 @@
+Add PyInterpreterState.runtime (and use it).

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	`1`	`+Add PyInterpreterState.runtime (and use it).`