Rename default est group from estclient to EST Users #5690

Job	Run time
Waiting for build / Waiting For Build	1m 36s
Update Version / Test	13s
PKI NSS CLI with RSA / Test	50s
Basic PKI CLI / Test	37s
PKI NSS CLI with AES / Test	36s
PKICertImport / Test	1m 20s
PKI NSS CLI with ECC / Test	54s
PKI NSS CLI with Extensions / Test	39s
PKI NSS CLI with HSM / Test	1m 35s
PKI PKCS11 CLI / Test	59s
PKI PKCS12 CLI / Test	46s
PKI PKCS7 CLI / Test	52s
rpminspect / Test	6m 35s
	17m 32s

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