piros/tor: Code added to Tor to support PIR-based onion service descriptor lookups @ b8fe8ee7486f43b33ccd5cfad99a5e87a7d246f6

Nick Mathewson b8fe8ee748 Improved message when running sandbox on Linux without libseccomp		12 lat temu
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11543	b8fe8ee748 Improved message when running sandbox on Linux without libseccomp	12 lat temu
ticket11528	0b319de60f Elevate server TLS cipher preferences over client	12 lat temu