Bump base registry to 1.18.1

72169 points out a mistake in 1.16 which is fixed in 1.18. Let's pull
1.18.1 in. 1.18.1 is the latest.

Changed 1 line in parse_registries.py and reran it.

Tested: None. In the past bumping these hasn't caused problems.

Change-Id: I79b135b8366d9b423f789c34802b1c0366d4e8a5
Signed-off-by: Gunnar Mills <gmills@us.ibm.com>
Signed-off-by: Ed Tanous <ed@tanous.net>
diff --git a/scripts/parse_registries.py b/scripts/parse_registries.py
index 6f3ff42..70d0fec 100755
--- a/scripts/parse_registries.py
+++ b/scripts/parse_registries.py
@@ -244,7 +244,7 @@
 
 def main():
     dmtf_registries = (
-        ("base", "1.16.0"),
+        ("base", "1.18.1"),
         ("composition", "1.1.2"),
         ("environmental", "1.0.1"),
         ("ethernet_fabric", "1.0.1"),