Update .arduino-ci.yaml

Author: caveman99

.arduino-ci.yaml

@@ -2,4 +2,4 @@ only_boards:
   - esp8266:esp8266:generic
   - arduino:renesas_uno:unor4wifi
 library_archives:
-  - Nanopb=https://github.com/nanopb/nanopb/archive/refs/tags/0.4.7.tar.gz=17yaz3sn0fjhxbhjy27hc2960d4h4j4m5xvxqv3psbpi0r8w82hj
+  - Nanopb=https://github.com/nanopb/nanopb/archive/refs/tags/0.4.9.tar.gz=0