Update previous Crystal release 1.15.0 #13196

Job	Run time
check_format	1m 35s
x86_64-gnu-test (1.7.3)	10m 52s
x86_64-gnu-test-preview_mt	5m 40s
x86_64-gnu-test (1.8.2)	33m 25s
x86_64-musl-test	41m 0s
x86_64-gnu-test (1.9.2)	35m 20s
x86_64-gnu-test (1.10.1)	34m 7s
x86_64-gnu-test (1.11.2)	34m 16s
x86_64-gnu-test (1.12.2)	35m 12s
x86_64-gnu-test (1.13.3)	32m 13s
x86_64-gnu-test (1.14.1)	33m 37s
x86_64-gnu-test (1.15.0)	34m 18s
x86_64-gnu-test (1.0.0, FLAGS=-Dwithout_ffi USE_PCRE1=true)	30m 44s
x86_64-gnu-test (1.1.1, FLAGS=-Dwithout_ffi USE_PCRE1=true)	33m 26s
x86_64-gnu-test (1.2.2, USE_PCRE1=true)	33m 9s
x86_64-gnu-test (1.3.2, USE_PCRE1=true)	33m 35s
x86_64-gnu-test (1.4.1, USE_PCRE1=true)	33m 31s
x86_64-gnu-test (1.5.1, USE_PCRE1=true)	31m 56s
x86_64-gnu-test (1.6.2, USE_PCRE1=true)	31m 22s
	9h 19m 18s

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