Merge pull request #49 from rust-embedded-community/dependabot/cargo/examples/stm32f4-single-motor-example/stm32f4xx-hal-0.21.0

Bump stm32f4xx-hal from 0.20.0 to 0.21.0 in /examples/stm32f4-single-motor-example

Author: rursprung

examples/stm32f4-single-motor-example/Cargo.lock

@@ -9,7 +9,7 @@ cortex-m = { version = "0.7", features = ["critical-section-single-core"]}
 cortex-m-rtic = "1.1.4"
 panic-probe = { version = "0.3", features = ["print-defmt"] }
 
-stm32f4xx-hal = { version = "0.20.0", features = ["stm32f401", "rtic1"] }
+stm32f4xx-hal = { version = "0.21.0", features = ["stm32f401", "rtic1"] }
 
 defmt = "0.3.6"
 defmt-rtt = "0.4"