add conditional directives to the sandbox initializer to improve arch… #7

Job	Run time
Hardening: Not Host Root (Python3)	1m 0s
Hardening: Host Env Not Exposed (C)	55s
Hardening: /etc Remount Denied (Python3)	53s
Hardening: Seccomp Blocks Dangerous Syscalls (Python3)	58s
Hardening: Seccomp Blocks Dangerous Syscalls (C)	56s
Hardening: /etc Write Denied (C)	56s
Hardening: Regression Guards	26s
Hardening: /etc Write Denied (Python3)	56s
Hardening: Not Host Root (C)	55s
Hardening: /etc Remount Denied (C)	1m 2s
Hardening: Host Env Not Exposed (Python3)	1m 0s
	9m 57s

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