[Package request] db-dtypes

[tswast]

Some links to get started

• Currently available conda-forge packages
• The conda-forge docs
• Grayskull - to automatically generate a recipe for packages on PyPI
• The conda r skeleton helpers - to automatically generate a recipe for packages on CRAN

The requested package

• Package name: db-dtypes
• Version (If a specific one is required): 0.3.0+
• URL: https://github.com/googleapis/python-db-dtypes-pandas, https://pypi.org/project/db-dtypes/, https://googleapis.dev/python/db-dtypes/latest/index.html
• Available via (GitHub Releases, PyPI, etc.): PyPI
• Additional comments: Needed for DATE column support in pandas-gbq fix: to_gbq allows strings for DATE and floats for NUMERIC, require pandas 0.24+ and db-dtypes googleapis/python-bigquery-pandas#423 (comment)

Before submitting

• Verify that the package does not already exist (Also check with hyphens vs. underscores and added identifiers like python- and r-).
• Check that no previous issue exists and that no PR is currently open.