bump github.com/gorilla/handlers to v1.5.2 #3711

Job	Run time
Basic Checks	2m 57s
Unit Tests	8m 8s
Integration Tests (raft)	11m 58s
Integration Tests (pvtdata)	11m 55s
Integration Tests (pvtdatapurge e2e)	11m 22s
Integration Tests (ledger)	13m 8s
Integration Tests (lifecycle)	6m 2s
Integration Tests (smartbft)	20m 34s
Integration Tests (discovery gossip devmode pluggable)	6m 41s
Integration Tests (gateway idemix pkcs11 configtx configtxlator)	17m 57s
Integration Tests (sbe nwo msp)	7m 40s
	1h 58m 22s

Provide feedback