syncthing: bump to 1.29.6

- chore(lib): expose model methods to obtain progress
- feat(gui): explanation to options enabled or disabled per folder type
- fix(gui): validate device ID in canonical form
- fix(config): remove discontinued primary STUN server
- fix(stun): better error handling
- chore(config): remove discontinued secondary STUN servers
- chore(fs): speed up case normalization
- build(deps): update dependencies
- feat(fs, config): add support for custom filesystem type construction
- build: replace underscore in Debian version
- chore(model): add metric for total number of conflicts
- fix(config): properly apply defaults when reading folder configuration
- fix(config): zero filesystemtype is "basic"
- build: push artifacts to Azure
- chore(config): resolve primary STUN servers via SRV record
- chore(fs): changes to allow Filesystem to be implemented externally
- fix(strings): differentiate setup(n) and set(v) up
- fix(gui): mark unseen disconnected devices as inactive
- fix(syncthing): use separate lock file instead of locking the
  certificate
- feat(api, gui): allow authentication bypass for metrics
- chore: add missing copyright in new files from infra branch
- fix(osutil): give threads same I/O priority on Linux
- chore(syncthing): remove support for TLS 1.2 sync connections
- chore(gui): update dependency copyrights, add script for periodic
  maintenance
- chore(api): log X-Forwarded-For
- feat(config): add option for audit file
- chore(gui): use go list --deps for dependency list
- fix(strelaysrv): make the session limiter session-dependent

Changelog: https://github.com/syncthing/syncthing/compare/v1.29.5...v1.29.6
Signed-off-by: George Sapkin <george@sapk.in>

utils/syncthing/Makefile

@@ -1,12 +1,12 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=syncthing
-PKG_VERSION:=1.29.5
+PKG_VERSION:=1.29.6
 PKG_RELEASE:=1
 
 PKG_SOURCE:=syncthing-source-v$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://github.com/syncthing/syncthing/releases/download/v$(PKG_VERSION)
-PKG_HASH:=17f60258af1043db93f1df3609222cdd40b4fdcccae5c60dce46c557e0796098
+PKG_HASH:=28e7f4984a6a34fb4697448141ce2611a6510f5a4369c1669d4e766eb75cd878
 
 PKG_BUILD_DIR=$(BUILD_DIR)/$(PKG_NAME)-$(PKG_VERSION)/$(PKG_NAME)