Update mysql Docker tag from 8.4.7 to v8.4.8

[renovate]

This PR contains the following updates:

Package	Update	Change
mysql	patch	8.4.7 → 8.4.8

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[renovate]

Renovate Ignore Notification

Because you closed this PR without merging, Renovate will ignore this update (8.4.8). You will get a PR once a newer version is released. To ignore this dependency forever, add it to the ignoreDeps array of your Renovate config.

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