clean up TLS connection checking #8687

Job	Run time
DEB build (ubuntu-20.04, ubuntu:20.04)	2m 28s
DEB build (ubuntu-22.04, ubuntu:22.04)	2m 54s
DEB build (ubuntu-24.04, ubuntu:24.04)	4m 3s
DEB build (debian-10, debian:buster)	2m 27s
DEB build (debian-11, debian:bullseye)	2m 19s
DEB build (debian-12, debian:bookworm)	2m 58s
DEB build (debian-sid, debian:sid)	3m 12s
DEB install test (ubuntu-20.04, ubuntu:20.04)	31s
DEB install test (ubuntu-22.04, ubuntu:22.04)	28s
DEB install test (ubuntu-24.04, ubuntu:24.04)	21s
DEB install test (debian-10, debian:buster)	28s
DEB install test (debian-11, debian:bullseye)	21s
DEB install test (debian-12, debian:bookworm)	20s
DEB install test (debian-sid, debian:sid)	24s
	23m 14s

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