fix: bump netlify-plugin-debug-cache to 1.0.4

[ehmicky]

Thanks for contributing the Netlify plugins directory!

This adds a bug fix: netlify-labs/netlify-plugin-debug-cache#12 (comment)

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• Adding a plugin
• Updating a plugin

Have you completed the following?

• Read and followed the plugin author guidelines.
• Included all required fields in your entry.
• Tested the plugin locally and on Netlify, using the plugin version stated in your entry.

Test plan
Manual testing.

[netlify-bot]

Updated Packages

• https://diff.intrinsic.com/netlify-plugin-debug-cache/1.0.3/1.0.4