🔨 Suppress native build warnings

Author: thinkyhead

ini/native.ini

@@ -37,7 +37,7 @@ build_src_filter = ${common.default_src_filter} +<src/HAL/LINUX>
 platform          = native
 framework         =
 build_flags       = ${common.build_flags} -std=gnu++17 -D__PLAT_NATIVE_SIM__ -DU8G_HAL_LINKS -I/usr/include/SDL2 -IMarlin -IMarlin/src/HAL/NATIVE_SIM/u8g
-build_src_flags   = -Wall -Wno-expansion-to-defined -Wcast-align
+build_src_flags   = -Wall -Wno-expansion-to-defined -Wno-deprecated-declarations -Wcast-align
 release_flags     = -g0 -O3 -flto
 debug_build_flags = -fstack-protector-strong -g -g3 -ggdb
 lib_compat_mode   = off