Make $pe_installer_source more flexible #405

Job	Run time
PE 2019.8.12 standard-with-dr on rhel-8 with fips enable	1h 0m 45s
PE 2019.8.12 standard-with-dr on rhel-8 with fips enable	1h 0m 45s
PE 2021.7.9 standard-with-dr on rhel-8 with fips enable	1h 1m 22s
PE 2021.7.9 standard-with-dr on rhel-8 with fips enable	1h 1m 22s
PE 2023.8.0 standard-with-dr on rhel-8 with fips enable	1h 10m 10s
PE 2023.8.0 standard-with-dr on rhel-8 with fips enable	1h 10m 10s
PE 2019.8.12 large on rhel-8 with fips enable	55m 42s
PE 2019.8.12 large on rhel-8 with fips enable	55m 42s
PE 2021.7.9 large on rhel-8 with fips enable	48m 1s
PE 2021.7.9 large on rhel-8 with fips enable	48m 1s
PE 2023.8.0 large on rhel-8 with fips enable	52m 44s
PE 2023.8.0 large on rhel-8 with fips enable	52m 44s
PE 2019.8.12 extra-large-with-dr on rhel-8 with fips enable	1h 25m 37s
PE 2019.8.12 extra-large-with-dr on rhel-8 with fips enable	1h 25m 37s
PE 2021.7.9 extra-large-with-dr on rhel-8 with fips enable	1h 23m 39s
PE 2021.7.9 extra-large-with-dr on rhel-8 with fips enable	1h 23m 39s
PE 2023.8.0 extra-large-with-dr on rhel-8 with fips enable	20m 6s
PE 2023.8.0 extra-large-with-dr on rhel-8 with fips enable	1h 25m 48s
	19h 1m 54s

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