Update dependency phoenix_live_dashboard to v0.8.7

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
phoenix_live_dashboard (source)	prod	patch	0.8.4 → 0.8.7

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Release Notes

phoenixframework/phoenix_live_dashboard (phoenix_live_dashboard)

v0.8.7

Compare Source

• Fix warnings on Erlang/OTP 28
• Fix metrics history not rendering on LiveView 1.0.2+
• Fix colored logging in request logger

v0.8.6

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• Update Erlang docs url
• Fix rendering of durations in Elixir v1.18+
• Fix warnings on Elixir v1.18+
• Remove img nonce which had no effect whatsoever

v0.8.5

Compare Source

• Provide a mechanism for user extensible LiveView hooks
• Add Erlang/OTP 27 Process label support

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