chore(deps): update dependency whitenoise to v6.9.0

This MR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
whitenoise (changelog)	==6.8.2 -> ==6.9.0

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Release Notes

evansd/whitenoise (whitenoise)

v6.9.0

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added dependencies label

requested review from @tobiasff3200

mentioned in issue #3