Bump tiktoken from 0.3.3 to 0.5.1

[dependabot[bot]]

Bumps tiktoken from 0.3.3 to 0.5.1.

Changelog

Sourced from tiktoken's changelog.

[v0.5.1]

• Add encoding_name_for_model, undo some renames to variables that are implementation details

[v0.5.0]

• Add tiktoken._educational submodule to better document how byte pair encoding works
• Ensure encoding_for_model knows about several new models
• Add decode_with_offets
• Better error for failures with the plugin mechanism
• Make more tests public
• Update versions of dependencies

[v0.4.0]

• Add decode_batch and decode_bytes_batch
• Improve error messages and handling

Commits

• 39f29ce Sync codebase
• 52fceb8 Replace \<|endoftext|> with constant (#186)
• cc1848c Run only the most minimal test in emulated builds
• a793779 Sync codebase
• 5d970c1 Use future annotations in tiktoken._educational (#143)
• 95b03bf Fix up cibuildwheel
• c373d9b Sync codebase
• affbd6e Sync codebase
• 095924e Bump version, sync codebase
• f19feec Sync codebase
• Additional commits viewable in compare view

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[dependabot[bot]]

Superseded by #25.