Update remote binding connections description and table

[penalosa]

Clarified the description of remote binding connections and added a footnote for Durable Objects. Updated the table to include footnote reference.

https://jira.cfdata.org/browse/DEVX-2201

Summary

Remove experimental flag and add DO footnote

Screenshots (optional)

Documentation checklist

• Is there a changelog entry (guidelines)? If you don't add one for something awesome and new (however small) — how will our customers find out? Changelogs are automatically posted to RSS feeds, the Discord, and X.
• The documentation style guide has been adhered to.
• If a larger change - such as adding a new page- an issue has been opened in relation to any incorrect or out of date information that this PR fixes.
• Files which have changed name or location have been allocated redirects.

[github-actions]

This PR requires additional review attention because it affects the following areas:

Partials

This PR updates partial files, which are pieces of content used across multiple files in our Render component.

• workers/bindings_per_env - view affected files

[github-actions]

This pull request requires reviews from CODEOWNERS as it changes files that match the following patterns:

Pattern	Owners
/src/content/partials/workers/	@cloudflare/workers-docs, @GregBrimble, @irvinebroque, @mikenomitch, @WalshyDev, @cloudflare/deploy-config, @cloudflare/pcx-technical-writing, @kodster28, @cloudflare/wrangler, @cloudflare/workers-runtime-1

[github-actions]

Preview URL: https://a26e109f.preview.developers.cloudflare.com
Preview Branch URL: https://penalosa-patch-2.preview.developers.cloudflare.com