Cumulusci

<!-- Release notes generated using configuration in .github/release.yml at main -->

What's Changed

Changes 🎉

- Added opt-in Pydantic-based task option parsing. by [prescod](https://github.com/prescod) in [#1618](https://github.com/SFDO-Tooling/CumulusCI/pull/1618)
- Add deploy transform to inject org URLs by [davidmreed](https://github.com/davidmreed) in [#3596](https://github.com/SFDO-Tooling/CumulusCI/pull/3596)

**Full Changelog**: https://github.com/SFDO-Tooling/CumulusCI/compare/v3.75.1...v3.76.0

<!-- Release notes generated using configuration in .github/release.yml at main -->

What's Changed

Changes 🎉

- Use Marketing Cloud's validate endpoint to update deployment packages by [davidmreed](https://github.com/davidmreed) and [TheBitShepherd](https://github.com/TheBitShepherd) in [#3598](https://github.com/SFDO-Tooling/CumulusCI/pull/3598)

**Full Changelog**: https://github.com/SFDO-Tooling/CumulusCI/compare/v3.76.0...v3.76.0.dev0

<!-- Release notes generated using configuration in .github/release.yml at main -->

What's Changed

Issues Fixed 🩴

- Ensure that top-level 'tasks' directory is read for custom tasks by [prescod](https://github.com/prescod) in [#3582](https://github.com/SFDO-Tooling/CumulusCI/pull/3582)

**Full Changelog**: https://github.com/SFDO-Tooling/CumulusCI/compare/v3.75.0...v3.75.1

<!-- Release notes generated using configuration in .github/release.yml at main -->

What's Changed

Changes 🎉

- Fix bug that prevented "api" declaration in `extract_declaration` from being respected during `capture_sample_dataset`. by [prescod](https://github.com/prescod) in [#3568](https://github.com/SFDO-Tooling/CumulusCI/pull/3568)
- Update windows install steps by [TheBitShepherd](https://github.com/TheBitShepherd) in [#3571](https://github.com/SFDO-Tooling/CumulusCI/pull/3571)
- CCI projects can now run tasks from their "sources" even when they are custom tasks coded in Python. By [prescod](https://github.com/prescod) in [#3345](https://github.com/SFDO-Tooling/CumulusCI/pull/3345)
- The `capture_sample_data` task now looks for a `datasetname.load.yml` file to influence how it generates its .mapping file for subquent loads. By [prescod](https://github.com/prescod) in [#3569](https://github.com/SFDO-Tooling/CumulusCI/pull/3569)

**Full Changelog**: https://github.com/SFDO-Tooling/CumulusCI/compare/v3.74.0...v3.75.0

<!-- Release notes generated using configuration in .github/release.yml at main -->

What's Changed

Changes 🎉

- Allow use of static release notes on GitHub by [davidmreed](https://github.com/davidmreed) in [#3550](https://github.com/SFDO-Tooling/CumulusCI/pull/3550)
- `cci service update` by [TheBitShepherd](https://github.com/TheBitShepherd) in [#3481](https://github.com/SFDO-Tooling/CumulusCI/pull/3481)
- Add TimelineObjectDefinition metadata type by [jstvz](https://github.com/jstvz) in [#3551](https://github.com/SFDO-Tooling/CumulusCI/pull/3551)

Issues Fixed 🩴

- Fix an issue with `capture_sample_data` and record type capturing. by [prescod](https://github.com/prescod) in [#3552](https://github.com/SFDO-Tooling/CumulusCI/pull/3552)

**Full Changelog**: https://github.com/SFDO-Tooling/CumulusCI/compare/v3.73.0...v3.74.0

No changes (other than dependency updates) since v3.72.1.dev2 . Please see the changes below.