Feature/add release script (#471)

* add release script

* updated changelog

---------

Co-authored-by: Steve Karg <skarg@users.sourceforge.net>

CHANGELOG.md

@@ -14,13 +14,34 @@ The git repositories are hosted at the following sites:
 
 ## [Unreleased]
 
+## [1.1.2] - 2023-08-18
+
 ### Security
 
+- Fix bacapp_data_len() + bacnet_tag_number_and_value_decode() (#453)
+- Fix router-mstp and router-ipv6 apps action for unknown dnet (#454)
+- Fix router-mstp app to p revent npdu_len from wrapping around at npdu_len=1 (#452)
+- Fix router app where port might be null (#451)
 - Fix [bug#80] npdu_decode via deprecation (#447)
 - Fix [bug#79] out of bounds jump in h_apdu.c:apdu_handler (#446)
 
+### Added
+
+- Added github.com to sf.net github workflow for releases
+- Added MSTP Slave Node option to stm32f10x port (#467)
+- Added AFL + Libfuzzer harnesses  (#455)
+
+### Changed
+
+- Improve router-mstp app usage (#470)
+- Updated zephyr to v3 4 0 in ci (#461) (#463)
+
 ### Fixed
 
+- Fix encode_context_bacnet_address (#464)
+- Fix west.yml imported repository set (#460) (#462)
+- Fix spurious interrupts from STM32 ORE (#456)
+- Fix writeproperty app known property option and priority (#450)
 - Fix segfault on mstp cleanup on linux port (#445)
 - Fix minimal config by adding bitstring (#443)
 - Fix WhoIs app APDU timeout (#444)