Fix deno import links

[ibanks42]

What does this PR do?

Fix deno runtime import links.

Test Plan

• Run appwrite cli command appwrite init function and choose deno runtime.
• Go into function/src/deps.ts and change https://deno.land/x/appwrite@6.0.0/mod.ts to https://deno.land/x/appwrite/mod.ts.
• Deploy function
• Build succeeds now

Related PRs and Issues

Fix for #52

Have you read the Contributing Guidelines on issues?

Yes.

[loks0n]

I think it'd be better to stay pinned to a specific version e.g. appwrite@7.0.0

[ibanks42]

I think it'd be better to stay pinned to a specific version e.g. appwrite@7.0.0

Fair enough, changed to appwrite@7.0.0