chore(core): generate changelog, bump bootloader version after release

core/embed/bootloader/.changelog.d/3122.changed

@@ -1 +0,0 @@
-No longer erases seed when firmware is corrupted but firmware header is correct and signed. Added firmware corrupted info to bootloader screen.

core/embed/bootloader/.changelog.d/3205.added

@@ -1,2 +1 @@
 Added firmware update without interaction.
-Split builds of different parts to use simple util.s assembler, while FW+bootloader use interconnected ones.

core/embed/bootloader/CHANGELOG.md

@@ -4,8 +4,18 @@ 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/).
 
+## 2.1.3 [September 2023]
+
+### Changed
+- Split builds of different parts to use simple util.s assembler, while FW+bootloader use interconnected ones.  [#3205]
+- No longer erases seed when firmware is corrupted but firmware header is correct and signed. Added firmware corrupted info to bootloader screen.  [#3122]
+- Correctly reinitialize Optiga SE when rebooting.  [#3303]
+
+
 ## 2.1.2 [August 2023]
 
+Internal only release for Model R prototypes.
+
 ### Added
 - Added support for STM32F429I-DISC1 board  [#2989]
 - Locked bootloader support: bootloader will disallow installation of unofficial firmware unless the Optiga pairing secret is erased.
@@ -94,4 +104,7 @@ Internal only release for Model R prototypes.
 [#2955]: https://github.com/trezor/trezor-firmware/pull/2955
 [#2989]: https://github.com/trezor/trezor-firmware/pull/2989
 [#3048]: https://github.com/trezor/trezor-firmware/pull/3048
+[#3122]: https://github.com/trezor/trezor-firmware/pull/3122
+[#3205]: https://github.com/trezor/trezor-firmware/pull/3205
 [#3222]: https://github.com/trezor/trezor-firmware/pull/3222
+[#3303]: https://github.com/trezor/trezor-firmware/pull/3303

core/embed/bootloader/version.h

@@ -1,6 +1,6 @@
 #define VERSION_MAJOR 2
 #define VERSION_MINOR 1
-#define VERSION_PATCH 3
+#define VERSION_PATCH 4
 #define VERSION_BUILD 0
 #define VERSION_UINT32                                            \
   (VERSION_MAJOR | (VERSION_MINOR << 8) | (VERSION_PATCH << 16) | \