deps(dev): bump aegir from 39.0.13 to 40.0.8 #30

Job	Run time
check	2m 16s
test-chrome	36s
test-node (windows-latest, lts/*)	4m 25s
test-node (ubuntu-latest, lts/*)	1m 24s
test-node (macos-latest, lts/*)	3m 13s
test-firefox	55s
test-chrome-webworker	34s
test-firefox-webworker	34s
test-webkit (ubuntu-latest, lts/*)	41s
test-webkit (macos-latest, lts/*)	2m 9s
test-electron-main	47s
test-webkit-webworker (ubuntu-latest, lts/*)	31s
test-webkit-webworker (macos-latest, lts/*)	1m 27s
test-electron-renderer	44s
release	0s
	20m 16s

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