Disable workflow schedule (at least for now) #890

Job	Run time
ubuntu (PHP-8.0, opcache.enable_cli=0, enable-debug)	1m 46s
windows (8.0, x64, nts)	3m 6s
ubuntu (PHP-8.0, opcache.enable_cli=0, disable-debug)	1m 38s
windows (8.0, x64, ts)	3m 17s
ubuntu (PHP-8.0, opcache.enable_cli=1, enable-debug)	1m 33s
windows (8.0, x86, nts)	3m 6s
ubuntu (PHP-8.0, opcache.enable_cli=1, disable-debug)	1m 54s
windows (8.0, x86, ts)	2m 56s
ubuntu (master, opcache.enable_cli=0, enable-debug)	1m 58s
windows (8.1, x64, nts)	2m 58s
ubuntu (master, opcache.enable_cli=0, disable-debug)	1m 56s
windows (8.1, x64, ts)	2m 58s
ubuntu (master, opcache.enable_cli=1, enable-debug)	1m 41s
windows (8.1, x86, nts)	2m 53s
ubuntu (master, opcache.enable_cli=1, disable-debug)	1m 46s
windows (8.1, x86, ts)	2m 43s
	38m 9s

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