etc: add secp256k1 test target - auditor - An aarch64 constant-time memory access auditing tool.

commit 9fc28aac98c81c8990bcfc7421232c9c018d30ef
parent 95bda73440fff880f2fa770cd8bd5aa5c50251ea
Author: Jared Tobin <jared@jtobin.io>
Date:   Tue, 10 Feb 2026 14:49:35 +0400

etc: add secp256k1 test target

Diff is too large, output suppressed.

	auditor An aarch64 constant-time memory access auditing tool.
	git clone git://git.ppad.tech/auditor.git
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