upgrade `bootstrap` from `v4` to `v5` #474

Job	Run time
Publish Pre Release Alpha to NPM / publish_npm	2m 3s
Publish Pre Release Alpha to NPM / publish_npm	2m 8s
Create New Github Alpha Pre Release	0s
Create New Github Alpha Pre Release	5s
Attach Artifact	0s
Attach Artifact	24s
Discord Webhooks	0s
Discord Webhooks / github-releases-to-discord	3s
	4m 43s

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