Update changelog w/ backports + fix incorrect PR id

CHANGELOG.md

@@ -4,7 +4,7 @@
 
 - Fixed scrollbars in `EuiRange` tick labels in Safari ([#5427](https://github.com/elastic/eui/pull/5427))
 - Fixed an `EuiOverlayMask` bug where it calls window.document on server side([#5422](https://github.com/elastic/eui/pull/5422))
-- Fixed unremoved event listener memory leak in `EuiPopover` ([#5436](https://github.com/elastic/eui/pull/5436))
+- Fixed unremoved event listener memory leak in `EuiPopover` ([#5437](https://github.com/elastic/eui/pull/5437))
 
 ## [`42.0.0`](https://github.com/elastic/eui/tree/v42.0.0)
 
@@ -117,6 +117,14 @@
 - Removed mobile-only props from `EuiTableRowCell` ([#5323](https://github.com/elastic/eui/pull/5323))
 - Removed Sass vars `$euiColorSecondary` and `$euiColorSecondaryText` ([#5345](https://github.com/elastic/eui/pull/5345))
 
+## [`40.1.1`](https://github.com/elastic/eui/tree/v40.1.0)
+
+**Note: this release is a backport containing changes originally made after `42.0.0`**
+
+**Bug fixes**
+
+- Fixed unremoved event listener memory leak in `EuiPopover` ([#5437](https://github.com/elastic/eui/pull/5437))
+
 ## [`40.1.0`](https://github.com/elastic/eui/tree/v40.1.0)
 
 - Added styling support for `valign` prop on `EuiTableRowCell` ([#5283](https://github.com/elastic/eui/pull/5283))
@@ -148,6 +156,14 @@
 
 - Renamed `tokenKeyword` icon to `tokenTag` in `EuiToken` ([#5251](https://github.com/elastic/eui/pull/5251))
 
+## [`39.1.3`](https://github.com/elastic/eui/tree/v39.1.2)
+
+**Note: this release is a backport containing changes originally made after `42.0.0`**
+
+**Bug fixes**
+
+- Fixed unremoved event listener memory leak in `EuiPopover` ([#5437](https://github.com/elastic/eui/pull/5437))
+
 ## [`39.1.2`](https://github.com/elastic/eui/tree/v39.1.2)
 
 **Note: this release is a backport containing changes originally made in `40.1.0`**