syncthing: bump to 1.19.2

Adds compatibility with go 1.18.

Signed-off-by: Eneas U de Queiroz <cotequeiroz@gmail.com>

utils/syncthing/Makefile

@@ -1,12 +1,12 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=syncthing
-PKG_VERSION:=1.18.2
+PKG_VERSION:=1.19.2
 PKG_RELEASE:=$(AUTORELEASE)
 
 PKG_SOURCE:=syncthing-source-v$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://github.com/syncthing/syncthing/releases/download/v$(PKG_VERSION)
-PKG_HASH:=afe2ae979da3b4f1af8aeabd7e1704807242913b516e0b6585510821c9d6d4f2
+PKG_HASH:=dcf93ef2fea1150b5b2e27d1c5e8e4853bd440b766a8355309af1607be08ce80
 
 PKG_BUILD_DIR=$(BUILD_DIR)/$(PKG_NAME)-$(PKG_VERSION)/$(PKG_NAME)
 
@@ -48,6 +48,11 @@ define Package/syncthing/conffiles
 /etc/syncthing
 endef
 
+define Build/Prepare
+	$(call Build/Prepare/Default)
+	cd $(PKG_BUILD_DIR) && rm -rf vendor # && go mod vendor
+endef
+
 define Package/syncthing/description
 		Syncthing replaces proprietary sync and cloud services with something
 		open, trustworthy and decentralized. Your data is your data alone and