Add portenta C33 firmware to the plugin system

[codecov-commenter]

Codecov Report

Patch coverage: 11.76% and project coverage change: +5.08% :tada:

Comparison is base (bb28293) 6.63% compared to head (f1747cf) 11.72%. Report is 8 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #206 +/- ## ========================================= + Coverage 6.63% 11.72% +5.08% ========================================= Files 24 20 -4 Lines 2154 1160 -994 ========================================= - Hits 143 136 -7 + Misses 1953 971 -982 + Partials 58 53 -5 ``` | [Flag](https://app.codecov.io/gh/arduino/arduino-fwuploader/pull/206/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=arduino) | Coverage Δ | | |---|---|---| | [unit](https://app.codecov.io/gh/arduino/arduino-fwuploader/pull/206/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=arduino) | `11.72% <11.76%> (+5.08%)` | :arrow_up: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=arduino#carryforward-flags-in-the-pull-request-comment) to find out more. | [Files Changed](https://app.codecov.io/gh/arduino/arduino-fwuploader/pull/206?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=arduino) | Coverage Δ | | |---|---|---| | [cli/arguments/arguments.go](https://app.codecov.io/gh/arduino/arduino-fwuploader/pull/206?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=arduino#diff-Y2xpL2FyZ3VtZW50cy9hcmd1bWVudHMuZ28=) | `0.00% <0.00%> (ø)` | | | [cli/certificates/flash.go](https://app.codecov.io/gh/arduino/arduino-fwuploader/pull/206?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=arduino#diff-Y2xpL2NlcnRpZmljYXRlcy9mbGFzaC5nbw==) | `0.00% <0.00%> (ø)` | | | [cli/common/common.go](https://app.codecov.io/gh/arduino/arduino-fwuploader/pull/206?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=arduino#diff-Y2xpL2NvbW1vbi9jb21tb24uZ28=) | `0.00% <0.00%> (ø)` | | | [cli/firmware/flash.go](https://app.codecov.io/gh/arduino/arduino-fwuploader/pull/206?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=arduino#diff-Y2xpL2Zpcm13YXJlL2ZsYXNoLmdv) | `0.00% <0.00%> (ø)` | | | [cli/firmware/getversion.go](https://app.codecov.io/gh/arduino/arduino-fwuploader/pull/206?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=arduino#diff-Y2xpL2Zpcm13YXJlL2dldHZlcnNpb24uZ28=) | `0.00% <0.00%> (ø)` | | | [cli/firmware/list.go](https://app.codecov.io/gh/arduino/arduino-fwuploader/pull/206?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=arduino#diff-Y2xpL2Zpcm13YXJlL2xpc3QuZ28=) | `0.00% <0.00%> (ø)` | | | [flasher/flasher.go](https://app.codecov.io/gh/arduino/arduino-fwuploader/pull/206?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=arduino#diff-Zmxhc2hlci9mbGFzaGVyLmdv) | `0.00% <ø> (ø)` | | | [indexes/download/download.go](https://app.codecov.io/gh/arduino/arduino-fwuploader/pull/206?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=arduino#diff-aW5kZXhlcy9kb3dubG9hZC9kb3dubG9hZC5nbw==) | `29.75% <100.00%> (-2.63%)` | :arrow_down: | | [indexes/firmwareindex/firmwareindex.go](https://app.codecov.io/gh/arduino/arduino-fwuploader/pull/206?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=arduino#diff-aW5kZXhlcy9maXJtd2FyZWluZGV4L2Zpcm13YXJlaW5kZXguZ28=) | `55.07% <100.00%> (+6.35%)` | :arrow_up: |

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