There's a merged pull request on the void-packages repository

spdx-licenses-list: update to 3.21.
https://github.com/void-linux/void-packages/pull/44617

Description:
- spdx-licenses-list: update to 3.21.
- tk: TCL license is no longer custom
- kwallet-cli: MirOS license is no longer custom

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#### Testing the changes
- I tested the changes in this PR: **YES**

cc @mobinmob 

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