Add #2551 to changelog

TheConner · TheConner · commit 57f696fadbdd · 2023-06-10T08:53:34.000-04:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -196,6 +196,7 @@
     + `log` removed in favor of `logging`
     + `which` removed in favor of `which-logging`
     + `annotate-snippets` removed in favor of `experimental`
+* Add target mappings for riscv32imc and riscv32imac.
 
 ## Removed
 
