Update crate atsamv70q20b

Author: bors

at/sa/atsamv70q20b

@@ -6,3 +6,4 @@
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 {"name":"atsamv70q20b","vers":"0.29.0-alpha3","deps":[{"name":"cortex-m","req":"^0.7.6","features":[],"optional":false,"default_features":true,"target":null,"kind":"normal"},{"name":"cortex-m-rt","req":"^0.7.3","features":[],"optional":true,"default_features":true,"target":null,"kind":"normal"},{"name":"critical-section","req":"^1.0","features":[],"optional":true,"default_features":true,"target":null,"kind":"normal"},{"name":"derive_more","req":"^0.99.17","features":[],"optional":false,"default_features":true,"target":null,"kind":"normal"},{"name":"form","req":"^0.11.0","features":[],"optional":false,"default_features":true,"target":null,"kind":"build"},{"name":"regex","req":"^1.10.0","features":[],"optional":false,"default_features":true,"target":null,"kind":"build"},{"name":"svd2rust","req":"^0.29.0","features":[],"optional":false,"default_features":true,"target":null,"kind":"build"},{"name":"vcell","req":"^0.1.3","features":[],"optional":false,"default_features":true,"target":null,"kind":"normal"}],"cksum":"0ef1adc1925558fdd6d9a4f678f9165ea4b962abc928648e51ec189c457bf4a0","features":{"rt":["cortex-m-rt/device"]},"yanked":false,"rust_version":"1.70.0"}
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