Bump de.rub.nds:protocol-attacker from 1.1.5 to 2.0.3 #1156

Job	Run time
ETinyDTLS_Server_psk	2m 35s
CTinyDTLS_Server_psk	2m 35s
JSSE-12-0-2_Client_ecdhe_cert	2m 38s
OpenSSL-1-1-1k_Client_dhe_ecdhe_rsa_eneg	2m 34s
Mbedtls-2-26-0_Client_dhe_ecdhe_rsa_eneg	2m 19s
CTinyDTLS_Client_psk	2m 31s
PionDTLS-2-0-9_Server_psk	2m 16s
ETinyDTLS_Client_psk	2m 39s
Scandium-2-0-0-M16_Client_ecdhe_cert	2m 31s
WolfSSL-4-7-1r_DTLS-1-2_Server_psk	2m 36s
JSSE-12-0-2_Server_ecdhe_cert_req	2m 29s
OpenSSL-1-1-1k_Server_all_cert_req	2m 35s
PionDTLS-2-0-9_Client_psk	2m 13s
Scandium-2-0-0-M16_Server_ecdhe_cert_req	2m 31s
Mbedtls-2-26-0_Server_all_cert_req	2m 24s
WolfSSL-5-7-6_DTLS-1-2_Client_psk	2m 38s
WolfSSL-5-7-6_DTLS-1-3_Server_psk	2m 21s
WolfSSL-5-7-6_DTLS-1-3_Server_dhe_cert_req	2m 17s
WolfSSL-5-7-6_DTLS-1-3_Client_dhe_cert_nreq	2m 20s
WolfSSL-5-7-6_DTLS-1-2_Server_psk	2m 30s
WolfSSL-4-7-1r_DTLS-1-2_Client_psk	2m 13s
WolfSSL-5-7-6_DTLS-1-3_Client_psk	2m 9s
WolfSSL-5-7-6_DTLS-1-3_Server_dhe_cert_nreq	2m 21s
WolfSSL-5-7-6_DTLS-1-3_Client_dhe_cert_req	2m 55s
	59m 10s

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