Merge pull request #10391 from Frauschi/xmss_Wconversion #6402

Job	Run time
build library (--enable-intelasm --enable-sp-asm --enable-all-crypto --enable-mlkem --enable-lms ...	22s
build library (--disable-asm --enable-mlkem --enable-lms --enable-xmss --enable-mldsa)	22s
build library (--disable-asm)	22s
build library (--enable-intelasm --enable-sp-asm)	22s
build library (--enable-intelasm --enable-sp-asm --enable-mlkem --enable-lms --enable-xmss --enab...	22s
build library (--disable-asm --enable-all-crypto --enable-mlkem --enable-lms --enable-xmss --enab...	22s
	2m 12s

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