Update rv003usb example and safegurad used ch32fun version

Author: maxgerhardt

examples/ch32fun-rv003usb-composite-hid/platformio.ini

@@ -18,7 +18,10 @@ board = genericCH32V003F4U6
 ; prevent ch32fun from recognizing the wrong chip series
 ; not needed anymore in latest ch32v platform versions, left for reference.
 ;build_unflags = -DCH32V00x
-lib_deps = https://github.com/maxgerhardt/rv003usb.git#136e2d107c6c8c08c52acd5ae24e93e5b4af0a15
+lib_deps = https://github.com/cnlohr/rv003usb.git#69729219e526156aba57985224adcc5869e6854d
 extra_scripts =
   ; convenience for showing USB descriptors in intellisense
   pre:$PROJECT_LIBDEPS_DIR/$PIOENV/rv003usb/.github/show_descriptors.py
+; safeguard: actually compile against older ch32fun version.
+platform_packages = 
+  framework-ch32v003fun@symlink://.pio/libdeps/genericCH32V003F4U6/rv003usb/ch32fun