Build

Add meson option to disable explicit EC keys tests #1449

Job	Run time
CI with software token (macos-14, softokn)	1m 40s
CI with software token (fedora, gcc, softokn)	2m 59s
CI with software token (fedora, gcc, softhsm)	3m 57s
CI with software token (fedora, clang, softokn)	1m 30s
CI with software token (macos-14, softhsm)	1m 53s
CI with software token (fedora, clang, softhsm)	2m 1s
CI with software token (debian, gcc, softokn)	3m 8s
CI with software token (debian, gcc, softhsm)	4m 10s
CI with software token (debian, clang, softokn)	1m 22s
CI with software token (debian, clang, softhsm)	1m 58s
CI with software token (centos, gcc, softokn)	3m 12s
CI with software token (centos, gcc, softhsm)	4m 9s
CI with software token (centos, clang, softokn)	1m 56s
CI with software token (centos, clang, softhsm)	2m 0s
CI with software token (ubuntu, gcc, softokn)	3m 6s
CI with software token (ubuntu, gcc, softhsm)	4m 16s
CI with software token (ubuntu, clang, softokn)	1m 21s
CI with software token (ubuntu, clang, softhsm)	2m 2s
	46m 40s

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