dns_yc: fix key handling and unify add/rm key preparation#6783

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zhuravlev-nik wants to merge 2 commits intoacmesh-official:masterfrom

zhuravlev-nik:fix-dns-yc-key-handling

Commits on Feb 11, 2026

dns_yc: fix key handling and rm behavior

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dns_yc: keep POSIX sh and use _mktemp for temp key

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