Update CHANGELOG (#9321)

ryanwilson · web-flow · commit 5b39a2f21218 · 2022-02-09T11:36:18.000-05:00
diff --git a/Firestore/CHANGELOG.md b/Firestore/CHANGELOG.md
@@ -1,4 +1,4 @@
-# Unreleased
+# v8.12.1
 - [changed] Add more details to the assertion failure in OrderBy::Compare() to
   help with future debugging (#9258).
 

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-# Unreleased`
	`1`	`+# v8.12.1`
`2`	`2`	`- [changed] Add more details to the assertion failure in OrderBy::Compare() to`
`3`	`3`	`help with future debugging (#9258).`
`4`	`4`