tctildr: turn tctildr into a tcti #1735

Job	Run time
coverity-test	0s
test-coverage	8m 0s
build-test (ubuntu-18.04, gcc)	9m 26s
scanbuild	11m 14s
build-test (ubuntu-18.04, clang)	9m 1s
test-fuzz	2m 41s
build-test (ubuntu-20.04, gcc)	7m 29s
test-mbedtls (ubuntu-20.04)	4m 0s
test-no-crypto-build	1m 43s
build-test (ubuntu-20.04, clang)	6m 39s
test-mbedtls (ubuntu-22.04-mbedtls-3.1)	4m 40s
test-tcti-config	28m 16s
build-test (fedora-32, gcc)	10m 41s
build-test (fedora-32, clang)	8m 7s
build-test (opensuse-leap, gcc)	7m 16s
build-test (opensuse-leap, clang)	9m 6s
build-test (ubuntu-22.04, gcc)	10m 56s
build-test (ubuntu-22.04, clang)	9m 58s
build-test (alpine-3.15, gcc)	6m 29s
build-test (alpine-3.15, clang)	9m 5s
	2h 44m 47s

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