bump defmt to v0.2.0

Author: japaric

nrf52840-hal-tests/Cargo.toml

@@ -26,11 +26,11 @@ harness = false
 
 [dev-dependencies]
 cortex-m = "0.7.0"
-defmt = "0.1.3"
-defmt-rtt = "0.1.0"
-defmt-test = "0.1.1"
+defmt = "0.2.0"
+defmt-rtt = "0.2.0"
+defmt-test = "0.2.0"
 nrf52840-hal = { path = "../nrf52840-hal" }
-panic-probe = { version = "0.1.0", features = ["print-defmt"] }
+panic-probe = { version = "0.2.0", features = ["print-defmt"] }
 
 [features]
 # enable all defmt logging levels