Bump axios from 1.13.2 to 1.15.0 #68

Job	Run time
Determine Matrix	3s
Single Site Default / Test current	13m 5s
Multisite Default / Test current	13m 27s
Single Site Memcached / Test current	13m 16s
Multisite Memcached / Test current	13m 13s
Compare / Multisite Default	11s
Compare / Single Site Memcached	13s
Compare / Single Site Default	17s
Compare / Multisite Memcached	11s
Slack Notifications	0s
Failed workflow tasks	0s
	53m 56s

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