fix: update go.bug.st/serial to v1.6.4

[dido18]

Please check if the PR fulfills these requirements

• The PR has no duplicates (please search among the Pull Requests
  before creating one)
• Tests for the changes have been added (for bug fixes / features)

• What kind of change does this PR introduce?
  Bug fix. The https://github.com/bugst/go-serial/releases/tag/v1.6.3 introduced a bug on Windows. The fix is release on https://github.com/bugst/go-serial/releases/tag/v1.6.4.

• What is the current behavior?
  On windows, the agent is not able to restart the board in bootloader mode, and the upload fails with this error:

Restarting in bootloader mode
Flashing with command:C:/Users/davide/.arduino-create/arduino/bossac/1.7.0-arduino3/bossac.exe -i -d --port=COM8 -U true -i -e -w -v C:/Users/davide/AppData/Local/Temp/arduino-create-agent2884339634/new_sketch_1658935877297.bin -R
No device found on COM8
Set binary mode
readWord(addr=0)=0x30303077
readWord(addr=0xe000ed00)=0x30303030
readWord(addr=0x400e0740)=0x23342c30
version()=wE000ED00,4#w400E0740,4#V#
chipId=0x23342c30
Unsupported processor
Send auto-baud
Set binary mode
readWord(addr=0)=0x30303077
readWord(addr=0xe000ed00)=0x30303030
readWord(addr=0x400e0740)=0x23342c30
version()=wE000ED00,4#w400E0740,4#V#
chipId=0x23342c30
Unsupported processor
Executing command: exit status 1

• What is the new behavior?

Restarting in bootloader mode
Flashing with command:C:/Users/davide/.arduino-create/arduino/bossac/1.7.0-arduino3/bossac.exe -i -d --port=COM9 -U true -i -e -w -v C:/Users/davide/AppData/Local/Temp/arduino-create-agent3756522690/new_sketch_1658935877297.bin -R
Set binary mode
readWord(addr=0)=0x20007ffc
readWord(addr=0xe000ed00)=0x410cc601
readWord(addr=0x41002018)=0x10010305
version()=v2.0 [Arduino:XYZ] Mar 19 2018 09:45:14
chipId=0x10010005
Connected at 921600 baud
readWord(addr=0)=0x20007ffc
readWord(addr=0xe000ed00)=0x410cc601
readWord(addr=0x41002018)=0x10010305
Atmel SMART device 0x10010005 found
write(addr=0x20004000,size=0x34)
writeWord(addr=0x20004030,value=0x10)
writeWord(addr=0x20004020,value=0x20008000)
Device       : ATSAMD21G18A
readWord(addr=0)=0x20007ffc
readWord(addr=0xe000ed00)=0x410cc601
readWord(addr=0x41002018)=0x10010305
Chip ID      : 10010005
version()=v2.0 [Arduino:XYZ] Mar 19 2018 09:45:14
Version      : v2.0 [Arduino:XYZ] Mar 19 2018 09:45:14
Address      : 8192
Pages        : 3968
Page Size    : 64 bytes
Total Size   : 248KB
Planes       : 1
Lock Regions : 16
Locked       : readWord(addr=0x41004020)=0xffff
readWord(addr=0x41004020)=0xffff
readWord(addr=0x41004020)=0xffff
readWord(addr=0x41004020)=0xffff
readWord(addr=0x41004020)=0xffff
readWord(addr=0x41004020)=0xffff
readWord(addr=0x41004020)=0xffff
readWord(addr=0x41004020)=0xffff
readWord(addr=0x41004020)=0xffff
readWord(addr=0x41004020)=0xffff
readWord(addr=0x41004020)=0xffff
readWord(addr=0x41004020)=0xffff
readWord(addr=0x41004020)=0xffff
readWord(addr=0x41004020)=0xffff
readWord(addr=0x41004020)=0xffff
readWord(addr=0x41004020)=0xffff
none
readWord(addr=0x41004018)=0
Security     : false
Boot Flash   : true
readWord(addr=0x40000834)=0x7000a
BOD          : true
readWord(addr=0x40000834)=0x7000a
BOR          : true
Arduino      : FAST_CHIP_ERASE
Arduino      : FAST_MULTI_PAGE_WRITE
Arduino      : CAN_CHECKSUM_MEMORY_BUFFER
Erase flash
chipErase(addr=0x2000)
done in 0.841 seconds
Write 12304 bytes to flash (193 pages)
write(addr=0x20005000,size=0x1000)
writeBuffer(scr_addr=0x20005000, dst_addr=0x2000, size=0x1000)

[=========                     ] 33% (64/193 pages)write(addr=0x20005000,size=0x1000)
writeBuffer(scr_addr=0x20005000, dst_addr=0x3000, size=0x1000)

[===================           ] 66% (128/193 pages)write(addr=0x20005000,size=0x1000)
writeBuffer(scr_addr=0x20005000, dst_addr=0x4000, size=0x1000)

[============================= ] 99% (192/193 pages)write(addr=0x20005000,size=0x40)
writeBuffer(scr_addr=0x20005000, dst_addr=0x5000, size=0x40)

[==============================] 100% (193/193 pages)
done in 0.099 seconds
Verify 12304 bytes of flash with checksum.
checksumBuffer(start_addr=0x2000, size=0x1000) = 4de7
checksumBuffer(start_addr=0x3000, size=0x1000) = 18c8
checksumBuffer(start_addr=0x4000, size=0x1000) = c520
checksumBuffer(start_addr=0x5000, size=0x10) = a0dc
Verify successful
done in 0.011 seconds
CPU reset.
readWord(addr=0)=0x20007ffc
readWord(addr=0xe000ed00)=0x410cc601
readWord(addr=0x41002018)=0x10010305
writeWord(addr=0xe000ed0c,value=0x5fa0004)
Ok

• Does this PR introduce a breaking change?

• Other information:

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 20.23%. Comparing base (901728d) to head (5a4ed4e).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1027   +/-   ##
=======================================
  Coverage   20.23%   20.23%           
=======================================
  Files          42       42           
  Lines        3242     3242           
=======================================
  Hits          656      656           
  Misses       2499     2499           
  Partials       87       87           

Flag	Coverage Δ
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