Update e310x to ^0.10 and riscv to ^0.8

Author: yvt

Cargo.toml

@@ -13,8 +13,8 @@ rust-version = "1.59"
 [dependencies]
 embedded-hal = { version = "0.2.6", features = ["unproven"] }
 nb = "1.0.0"
-riscv = "0.7.0"
-e310x = { version = "0.9.0", features = ["rt"] }
+riscv = "0.8.0"
+e310x = { version = "0.10.0", features = ["rt"] }
 
 [features]
 g002 = ["e310x/g002"]