Update files generated by cookiecutter

[kumaranvpl]

Description

Type of change

• Documentation (typos, code examples, or any documentation updates)
• Bug fix (a non-breaking change that resolves an issue)
• New feature (a non-breaking change that adds functionality)
• Breaking change (a fix or feature that would disrupt existing functionality)
• This change requires a documentation update

Checklist

• I have conducted a self-review of my own code
• I have made the necessary changes to the documentation
• My changes do not generate any new warnings
• I have added tests to validate the effectiveness of my fix or the functionality of my new feature
• I have included code examples to illustrate the modifications

[Copilot]

Pull Request Overview

This PR updates the dependency version specifications in various pyproject.toml template files to use the stable release (0.8.4) instead of the release candidate (0.8.4rc0). The changes ensure consistency across multiple project setups generated by cookiecutter for different authentication and framework configurations.

• Updated dependency version for my_bank_app in the mesop user guide
• Updated dependency version for my_fastagency_app in no_auth and basic_auth examples (across both fastapi and mesop, with variations including additional dependency groups)

Reviewed Changes

Copilot reviewed 7 out of 7 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
docs/docs_src/user_guide/dependency_injection/mesop/my_bank_app/pyproject.toml	Updated fastagency dependency version
docs/docs_src/getting_started/no_auth/nats_n_fastapi/my_fastagency_app/pyproject.toml	Updated fastagency dependency version
docs/docs_src/getting_started/no_auth/mesop/my_fastagency_app/pyproject.toml	Updated fastagency dependency version
docs/docs_src/getting_started/no_auth/fastapi/my_fastagency_app/pyproject.toml	Updated fastagency dependency version
docs/docs_src/getting_started/basic_auth/nats_n_fastapi/my_fastagency_app/pyproject.toml	Updated fastagency dependency version
docs/docs_src/getting_started/basic_auth/mesop/my_fastagency_app/pyproject.toml	Updated fastagency dependency version
docs/docs_src/getting_started/basic_auth/fastapi/my_fastagency_app/pyproject.toml	Updated fastagency dependency version