[Release notes] Magic products + add 'hideEntry' input param to ProductChangelog component

[kodster28]

Follow up to #21818

[hyperlint-ai]

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PR Change Summary

Updated changelog components for various products to use the new ProductChangelog component and added new entries for recent updates.

• Replaced ProductReleaseNotes with ProductChangelog in multiple changelog files.
• Added new changelog entries for Magic Cloud Networking, Magic Firewall, Magic Transit, Magic WAN, and Network Interconnect.
• Introduced 'hideEntry' parameter to exclude specific entries from the changelog.

Modified Files

• src/content/docs/magic-cloud-networking/changelog.mdx
• src/content/docs/magic-firewall/changelog.mdx
• src/content/docs/magic-network-monitoring/changelog.mdx
• src/content/docs/magic-transit/changelog.mdx
• src/content/docs/magic-wan/changelog.mdx
• src/content/docs/network-interconnect/changelog.mdx

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[github-actions]

Preview URL: https://accfba2a.preview.developers.cloudflare.com
Preview Branch URL: https://magic-release-notes.preview.developers.cloudflare.com

Files with changes (up to 15)

Original Link	Updated Link
https://developers.cloudflare.com/magic-wan/changelog/	https://magic-release-notes.preview.developers.cloudflare.com/magic-wan/changelog/
https://developers.cloudflare.com/magic-cloud-networking/changelog/	https://magic-release-notes.preview.developers.cloudflare.com/magic-cloud-networking/changelog/
https://developers.cloudflare.com/magic-firewall/changelog/	https://magic-release-notes.preview.developers.cloudflare.com/magic-firewall/changelog/
https://developers.cloudflare.com/network-interconnect/changelog/	https://magic-release-notes.preview.developers.cloudflare.com/network-interconnect/changelog/
https://developers.cloudflare.com/magic-transit/changelog/	https://magic-release-notes.preview.developers.cloudflare.com/magic-transit/changelog/
https://developers.cloudflare.com/magic-network-monitoring/changelog/	https://magic-release-notes.preview.developers.cloudflare.com/magic-network-monitoring/changelog/