MPT-16714: update mypy config

[svazquezco]

Closes MPT-16714

• Update mypy hook revision from v1.17.0 to v1.19.0 in pre-commit configuration
• Upgrade dev mypy dependency from 1.15.* to 1.19.* in pyproject.toml
• Reorganize mypy configuration by consolidating settings (ignore_missing_imports, strict, local_partial_types, warn_unreachable) and adding exclude_gitignore = true, replacing the previous exclude = ["tests"] configuration

[coderabbitai]

📝 Walkthrough

Walkthrough

Mypy tooling versions are updated from v1.17.0 to v1.19.0 in pre-commit configuration and from 1.15.* to 1.19.* in project dependencies. Mypy settings in pyproject.toml are reorganized with the addition of exclude_gitignore = true.

Changes

Cohort / File(s)	Summary
Mypy Tooling Updates .pre-commit-config.yaml, pyproject.toml	Version bump for mypy hook (v1.17.0 → v1.19.0) and dev dependency (1.15.* → 1.19.*). Mypy configuration settings in pyproject.toml relocated with exclude_gitignore = true added and exclude = ["tests"] replaced.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Jira Issue Key In Title	✅ Passed	The PR title contains the Jira issue key MPT-16714 in the correct format at the beginning, following the expected MPT-XXXX pattern.
Test Coverage Required	✅ Passed	Pull request only modifies configuration files (.pre-commit-config.yaml and pyproject.toml) for updating mypy versions and settings. No actual code files are modified, so test coverage is not required.
Single Commit Required	✅ Passed	The pull request contains exactly one commit (606c92c feat: update mypy config from template), which satisfies the requirement.

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud