v0.2.0

Fixed

• Panic at start due to cortex-m-rt = 0.7.x memory layout changes. (Ref: rust-embedded/cortex-m #426)

Changed

• Update cortex-m to 0.7.5
• Update cortex-m-rt to 0.7.1
• Update cortex-m-semihosting to 0.5.0
• Update stm32h7xx-hal to 0.9.0
• Update smoltcp to 0.8.1
• Update defmt to 0.3.2
• Update defmt-rtt to 0.3.2
• Update defmt-test to 0.3.0
• Update panic-probe to 0.3.0