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

New packages: SDRPlusPlus and airspyhf
https://github.com/void-linux/void-packages/pull/38202

Description:
- New package: airspyhf-1.6.8
    closes #38198
- New package: SDRPlusPlus-1.0.4
    closes #38200

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#### Testing the changes
- I tested the changes in this PR: **YES**
  tested by requester, see #38200

#### New package
- This new package conforms to the [quality requirements](https://github.com/void-linux/void-packages/blob/master/Manual.md#quality-requirements): **YES**