Bump follow-redirects from 1.14.9 to 1.15.4 in /site3/website #1230

Job	Run time
PR Validation	13s
Build with macos on JDK 11	5m 43s
Backward compatibility tests	3m 43s
Compatibility Check Java8	19m 4s
Integration Tests	7m 21s
Compatibility Check Java11	20m 23s
OWASP Dependency Check	0s
Compatibility Check Java17	19m 27s
Bookie Tests	21m 11s
Build with windows on JDK 11	6m 46s
Client Tests	1h 0m 18s
Replication Tests	15m 34s
Remaining Tests	17m 32s
TLS Tests	13m 10s
StreamStorage Tests	18m 48s
Shell tests	29s
	3h 49m 42s

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