refactor: update signal_processing downstream dependencies

[esteve]

Description

This PR updates the packages that depend on signal_processing to now depend on autoware_signal_processing

Related links

autowarefoundation/autoware.universe#8541

Tests performed

Notes for reviewers

Interface changes

Effects on system behavior

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[xmfcx]

I've rebased it to main to test with the latest changes.

[xmfcx]

With this PR, all the references to signal_processing package has been refactored.

Also tested with the planning sim demo.