feat: Update ESPFLASH_PORT #273

Job	Run time
Check lib (x86_64-unknown-linux-gnu)	47s
Clippy (x86_64-unknown-linux-gnu)	22s
Check lib (aarch64-unknown-linux-gnu)	1m 32s
Clippy (aarch64-unknown-linux-gnu)	1m 58s
Check lib (armv7-unknown-linux-gnueabihf)	1m 23s
Check MSRV (x86_64-unknown-linux-gnu)	33s
Check (x86_64-apple-darwin)	35s
Clippy (armv7-unknown-linux-gnueabihf)	1m 43s
Check MSRV (aarch64-unknown-linux-gnu)	2m 0s
Check MSRV (armv7-unknown-linux-gnueabihf)	1m 32s
Rustfmt	14s
Check (x86_64-unknown-linux-gnu)	33s
Unit Tests (x86_64-unknown-linux-gnu)	28s
Unit Tests (aarch64-unknown-linux-gnu)	1m 41s
Check (x86_64-unknown-linux-musl)	30s
Unit Tests (armv7-unknown-linux-gnueabihf)	1m 11s
Check (x86_64-pc-windows-msvc)	2m 40s
Check (aarch64-unknown-linux-gnu)	1m 27s
Check (armv7-unknown-linux-gnueabihf)	1m 37s
	22m 46s

Provide feedback