Update dependency optimize-css-assets-webpack-plugin to v5.0.8

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
optimize-css-assets-webpack-plugin	5.0.3 -> 5.0.8

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Release Notes

NMFR/optimize-css-assets-webpack-plugin

v5.0.8

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v5.0.7

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v5.0.6

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v5.0.5

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v5.0.4

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Configuration

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