Bump core-js to v3.45 #741

Job	Run time
Lint Code Base / json-linter	27s
Lint Code Base / ecmascript-linter	20s
Lint Code Base / yaml-linter	7s
Lint Code Base / style-linter	20s
Build assets	36s
Determine next version	10s
Commit changes to assets	9s
Cleanup artifacts	4s
	2m 13s

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