add

SevenEarth · SevenEarth · commit 147612c5f07a · 2024-10-30T11:37:09.000+08:00
diff --git a/.changelog/2921.txt b/.changelog/2921.txt
@@ -0,0 +1,3 @@
+```release-note:enhancement
+resource/tencentcloud_postgresql_instance: update field properties for `backup_plan`
+```

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,3 @@`
	`1`	+```release-note:enhancement
	`2`	+resource/tencentcloud_postgresql_instance: update field properties for `backup_plan`
	`3`	+```