flake.lock: Updating 'ts-fold (jcs-elpa/ts-fold)' - 5fd2a5af -> 7667a376

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Changes for ts-fold

On branch: master Commits: https://github.com/emacs-tree-sitter/ts-fold/compare/5fd2a5afe2112ac23b58ee1b12730fcf16068df3...7667a376449174714574c18f179f8d604860f138

• 27c6bc48 feature(parser): Add support for python docstring (jcs-elpa/ts-fold⁠#58)
• bc3e5dda fix: Wrong function call
• 1d690b8d feat(python): Support assignment string
• 7667a376 fix(indicators): Warning 'when' with empty body