Bump atree version in Cadence v1.0 for new features (e.g. deduplication of Cadence dictionary type info)

[fxamacker]

This PR reduces memory and storage used by EN and also provides features useful for Cadence migrations.

More specifically, this bumps to newer atree version with improvements:

• deduplicate atree inlined Cadence dictionary type info
• allow migrations to change static type info of atree arrays and maps

For more info, see onflow/atree PRs:

• Reduce RAM and persistent storage by deduplicating inlined dict type info atree#369
• Add support for changing type info of atree arrays (atree inlining branch) atree#376
• Add support for changing type info of atree maps (atree inlining branch) atree#377
  etc.

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