Make usage of openSSL optional #169

Job	Run time
Check (ubuntu-latest, default)	1m 4s
Check (ubuntu-latest, bundled)	1m 0s
Check (ubuntu-latest, bundled_without_openssl)	1m 3s
Check (ubuntu-latest, buildtime_bindgen)	1m 8s
Check (macos-13, default)	1m 49s
Check (macos-13, bundled)	2m 35s
Check (macos-13, bundled_without_openssl)	1m 38s
Check (macos-13, buildtime_bindgen)	2m 0s
Check (macos-14, default)	1m 11s
Check (macos-14, bundled)	58s
Check (macos-14, bundled_without_openssl)	1m 16s
Check (macos-14, buildtime_bindgen)	1m 17s
Check (windows-2019, default)	9m 25s
Check (windows-2019, bundled)	10m 3s
Check (windows-2019, bundled_without_openssl)	2m 20s
Check (windows-2019, buildtime_bindgen)	10m 43s
	49m 30s

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