Fixed indent in integration-test-main.sh #1662

Job	Run time
MemoryTest (glibc_debug)	10m 55s
Linux (ubuntu:23.10)	11m 5s
MemoryTest (sanitize_address)	11m 23s
macos10	0s
Linux (ubuntu:22.04)	10m 46s
MemoryTest (sanitize_others)	11m 5s
Linux (ubuntu:20.04)	10m 33s
MemoryTest (sanitize_thread)	12m 19s
MemoryTest (valgrind)	23m 34s
Linux (debian:bookworm)	12m 0s
Linux (debian:bullseye)	10m 19s
Linux (debian:buster)	11m 7s
Linux (rockylinux:9)	10m 48s
Linux (rockylinux:8)	11m 17s
Linux (centos:centos7)	12m 6s
Linux (fedora:39)	15m 8s
Linux (fedora:38)	12m 8s
Linux (opensuse/leap:15)	12m 26s
Linux (alpine:3.18)	13m 49s
	3h 42m 48s

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