Bump uv from 0.7.13 to 0.7.19 (#388)

* Bump uv from 0.7.13 to 0.7.19

Bumps [uv](https://github.com/astral-sh/uv) from 0.7.13 to 0.7.19.
- [Release notes](https://github.com/astral-sh/uv/releases)
- [Changelog](https://github.com/astral-sh/uv/blob/main/CHANGELOG.md)
- [Commits](astral-sh/uv@0.7.13...0.7.19)

---
updated-dependencies:
- dependency-name: uv
  dependency-version: 0.7.19
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

* Update test assertion

* Add changelog entry

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Ed Morley <501702+edmorley@users.noreply.github.com>

Author: dependabot[bot]

CHANGELOG.md

@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Changed
+
+- Updated uv from 0.7.13 to 0.7.19. ([#388](https://github.com/heroku/buildpacks-python/pull/388))
+
 ## [2.2.2] - 2025-06-17
 
 ### Changed

requirements/uv.txt

@@ -1 +1 @@
-uv==0.7.13
+uv==0.7.19

tests/uv_test.rs

@@ -366,7 +366,8 @@ fn uv_mismatched_python_version() {
                 Creating virtual environment
                 Running 'uv sync --locked --no-default-groups'
                 Using CPython {DEFAULT_PYTHON_FULL_VERSION} interpreter at: /layers/heroku_python/python/bin/python3.13
-                error: The Python request from `.python-version` resolved to Python {DEFAULT_PYTHON_FULL_VERSION}, which is incompatible with the project's Python requirement: `==3.12.*`. Use `uv python pin` to update the `.python-version` file to a compatible version.
+                error: The Python request from `.python-version` resolved to Python {DEFAULT_PYTHON_FULL_VERSION}, which is incompatible with the project's Python requirement: `==3.12.*` (from `project.requires-python`)
+                Use `uv python pin` to update the `.python-version` file to a compatible version
             "}
         );
         assert_contains!(