replace calls to sprintf() by snprintf() to avoid deprecation compile… #2191

Job	Run time
basic_clang	6m 13s
basic_gcc	5m 40s
check_docs	59s
check_update	1m 20s
check-ansi	2m 32s
minimal	2m 35s
no-deprecated	5m 12s
no-shared-macos (macos-13)	10m 3s
no-shared-ubuntu	4m 36s
no-shared-macos (macos-14)	3m 34s
address_ub_sanitizer	10m 37s
enable_non-default_options	4m 34s
external-test-cf-quiche	4m 4s
external-test-pyca (1.51.0, 3.9)	6m 16s
external-tests	10m 43s
full_featured	6m 5s
fuzz_tests	3m 3s
legacy	4m 40s
memory_sanitizer	17m 49s
no-legacy	6m 15s
non-caching	12m 18s
out-of-readonly-source-and-install-macos (macos-13)	8m 41s
out-of-readonly-source-and-install-ubuntu	7m 23s
out-of-readonly-source-and-install-macos (macos-14)	4m 36s
self-hosted	0s
threads_sanitizer	5m 0s
	2h 34m 48s

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