bump cortex-m

Author: lthiery

Cargo.toml

@@ -29,7 +29,7 @@ features = ["stm32l0x1", "rt"]
 [dependencies]
 as-slice = "0.1.0"
 embedded-hal = { version = "0.2.3", features = ["unproven"] }
-cortex-m = {version = "0.6.0", features = ["const-fn"] }
+cortex-m = {version = "0.6.1", features = ["const-fn"] }
 cortex-m-rt = "0.6.8"
 cortex-m-semihosting = "0.3.2"
 void = { version = "1.0.2", default-features = false }