Bump pac (#149)

Author: usbalbin

Cargo.toml

@@ -14,7 +14,7 @@ version = "0.0.2"
 [dependencies]
 nb = "0.1.1"
 #stm32g4 = { git = "https://github.com/stm32-rs/stm32-rs-nightlies" } #"0.15.1"
-stm32g4 = { version = "0.17.0", package = "stm32g4-staging" }
+stm32g4 = { version = "0.19.0", package = "stm32g4-staging" }
 paste = "1.0"
 bitflags = "1.2"
 vcell = "0.1"