Add sntrup761x25519-sha512 post-quantum key exchange #164

	# Can be used locally with https://github.com/nektos/act

	name: Out of tree build
	on:
	pull_request:
	push:
	branches:
	- master
	jobs:
	outoftree:
	runs-on: 'ubuntu-22.04'

	steps:
	- uses: actions/checkout@v4

	- name: build
	run: \|
	mkdir build
	cd build
	../configure --enable-fuzz --enable-bundled-libtom --prefix=$PWD/inst
	make -j3
	make -j3 fuzzstandalone
	make install
	test -x inst/bin/dbclient
	test -f inst/share/man/man8/dropbear.8

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