chore(deps): update dependency upx/upx to v4.2.1

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change
upx/upx	patch	4.2.0 -> 4.2.1

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Release Notes

upx/upx (upx/upx)

### [`v4.2.1`](https://togithub.com/upx/upx/releases/tag/v4.2.1): UPX 4.2.1 [Compare Source](https://togithub.com/upx/upx/compare/v4.2.0...v4.2.1) Please see the file [NEWS](https://togithub.com/upx/upx/blob/master/NEWS) for a detailed list of changes. Note: all versions are functionally equivalent, i.e. each version can handle **all** executable formats, so you only need the file that runs on your host OS. Security/VirusTotal links are listed in the pinned issue [https://github.com/upx/upx/issues/437](https://togithub.com/upx/upx/issues/437) | Asset / File | Description / Host OS | | --- | --- | | [upx-4.2.1-amd64\_linux.tar.xz](https://togithub.com/upx/upx/releases/download/v4.2.1/upx-4.2.1-amd64\_linux.tar.xz) | UPX - Linux version | | upx-4.2.1-arm64\_linux.tar.xz | UPX - Linux version | | upx-4.2.1-armeb_linux.tar.xz | UPX - Linux version | | upx-4.2.1-arm_linux.tar.xz | UPX - Linux version | | upx-4.2.1-dos.zip | UPX - DOS version | | upx-4.2.1-i386\_linux.tar.xz | UPX - Linux version | | upx-4.2.1-mipsel_linux.tar.xz | UPX - Linux version | | upx-4.2.1-mips_linux.tar.xz | UPX - Linux version | | upx-4.2.1-powerpc64le_linux.tar.xz | UPX - Linux version | | upx-4.2.1-powerpc_linux.tar.xz | UPX - Linux version | | [upx-4.2.1-src.tar.xz](https://togithub.com/upx/upx/releases/download/v4.2.1/upx-4.2.1-src.tar.xz) | UPX - **source code tarball** | | upx-4.2.1-win32.zip | UPX - X86 Win32 version | | [upx-4.2.1-win64.zip](https://togithub.com/upx/upx/releases/download/v4.2.1/upx-4.2.1-win64.zip) | UPX - X64 Win64 version |

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Configuration

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