chore(core): changelog for bootloader and prodtest

core/embed/bootloader/.changelog.d/3770.changed

@@ -1 +0,0 @@
-[T3T1] Changed USB manufacturer string to "Trezor Company" and product string to "Trezor Safe 5" in the USB descriptor strings.

core/embed/bootloader/CHANGELOG.md

@@ -4,6 +4,12 @@ All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
+## 2.1.6 [May 2024]
+
+### Changed
+- [T3T1] Changed USB manufacturer string to "Trezor Company" and product string to "Trezor Safe 5" in the USB descriptor strings.  [#3770]
+
+
 ## 2.1.5 [April 2024]
 
 ### Added
@@ -129,3 +135,4 @@ Internal only release for Model R prototypes.
 [#3303]: https://github.com/trezor/trezor-firmware/pull/3303
 [#3370]: https://github.com/trezor/trezor-firmware/pull/3370
 [#3429]: https://github.com/trezor/trezor-firmware/pull/3429
+[#3770]: https://github.com/trezor/trezor-firmware/pull/3770

core/embed/prodtest/.changelog.d/+version.added

@@ -1 +0,0 @@
-Added FIRMWARE VERSION command.

core/embed/prodtest/.changelog.d/3770.changed

@@ -1 +0,0 @@
-[T3T1] Changed USB manufacturer string to "Trezor Company" and product string to "Trezor Safe 5" in the USB descriptor strings.

core/embed/prodtest/CHANGELOG.md

@@ -1,4 +1,16 @@
 
+## 0.2.6 [6th May 2024]
+
+### Added
+- Added FIRMWARE VERSION command.
+
+### Changed
+- [T3T1] Changed USB manufacturer string to "Trezor Company" and product string to "Trezor Safe 5" in the USB descriptor strings.  [#3770]
+
+### Fixed
+- [T3T1] Fixed `WIPE` command on STM32U5.  [#3769]
+
+
 ## 0.2.5 [16th April 2024]
 
 ### Added
@@ -29,6 +41,7 @@
 ### Changed
 - [T2B1] Start with all-white screen instead of border.  [#3325]
 
-
 [#3325]: https://github.com/trezor/trezor-firmware/pull/3325
 [#3370]: https://github.com/trezor/trezor-firmware/pull/3370
+[#3769]: https://github.com/trezor/trezor-firmware/pull/3769
+[#3770]: https://github.com/trezor/trezor-firmware/pull/3770