Bump micromatch from 4.0.5 to 4.0.8 #615

Job	Run time
ci / Generate matrix	22s
ci / Context	1s
ci / Check governance	0s
ci / 8.1 prf-low mysql57 phpunit all	4m 55s
ci / 8.2 mariadb phpunit all	4m 37s
ci / 8.3 mysql80 phpunit all	6m 37s
ci / 8.1 mysql57 phplinting	1m 42s
ci / 8.1 mysql57 endtoend root job1	5m 11s
ci / 8.3 mysql80 endtoend root job1	6m 21s
ci / 8.1 mysql57 endtoend root job2	7m 35s
ci / 8.3 mysql80 endtoend root job2	7m 48s
ci / 8.1 mysql57 js	4m 44s
ci / 8.1 mysql57 doclinting	2m 25s
ci / Dispatch tag patch release	0s
	52m 18s

Provide feedback