Update Rust to 1.73.0 in Dockerfile #603

Job	Run time
Build Docker Image	41m 50s
linux (x86_64-unknown-linux-musl, x86_64-musl)	1m 40s
macos	2m 25s
linux (i686-unknown-linux-musl, i686-musl)	1m 50s
linux (aarch64-unknown-linux-musl, aarch64-musl)	2m 12s
linux (armv7-unknown-linux-musleabihf, armv7-musleabihf)	2m 10s
windows (x64, x86_64-pc-windows-msvc)	2m 50s
linux (armv7-unknown-linux-musleabi, armv7-musleabi)	1m 37s
windows (x86, i686-pc-windows-msvc)	3m 52s
windows (arm64, aarch64-pc-windows-msvc)	7m 22s
Release	0s
	1h 7m 48s

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