Use https for IANA Time Zone Database link. #70

Job	Run time
1.9.3 on ubuntu-20.04	24s
2.0 on ubuntu-20.04	27s
2.1 on ubuntu-20.04	34s
2.2 on ubuntu-20.04	41s
2.3 on ubuntu-20.04	33s
2.4 on ubuntu-20.04	31s
2.5 on ubuntu-20.04	37s
2.6 on ubuntu-20.04	36s
2.7 on ubuntu-20.04	48s
3.0 on ubuntu-20.04	28s
3.1 on ubuntu-20.04	28s
3.2 on ubuntu-20.04	50s
jruby-1.7 on ubuntu-20.04	1m 59s
jruby-9.0 on ubuntu-20.04	2m 29s
jruby-9.1 on ubuntu-20.04	2m 5s
jruby-9.2 on ubuntu-20.04	2m 36s
jruby-9.3 on ubuntu-20.04	2m 41s
jruby-9.4 on ubuntu-20.04	2m 51s
1.9.3 on windows-2019	2m 3s
2.0 on windows-2019	1m 4s
2.1 on windows-2019	1m 12s
2.2 on windows-2019	1m 31s
2.3 on windows-2019	1m 30s
2.4 on windows-2019	1m 49s
2.5 on windows-2019	1m 59s
2.6 on windows-2019	1m 56s
2.7 on windows-2019	2m 3s
3.0 on windows-2019	1m 27s
3.1 on windows-2019	1m 55s
3.2 on windows-2019	2m 14s
jruby-9.0 on windows-2019	2m 18s
jruby-9.1 on windows-2019	2m 53s
jruby-9.2 on windows-2019	3m 2s
jruby-9.3 on windows-2019	2m 53s
jruby-9.4 on windows-2019	3m 11s
2.0 on windows-2019 (x86)	1m 13s
head on ubuntu-20.04 (experimental)	11s
jruby-head on ubuntu-20.04 (experimental)	2m 48s
head on windows-2019 (experimental)	53s
jruby-head on windows-2019 (experimental)	2m 58s
truffleruby-21 on ubuntu-20.04 (experimental)	1m 3s
	1h 5m 44s

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