Upgrade packse to 0.3.15 (#3244)

Includes astral-sh/packse#179 for #3225

```
uv pip compile scripts/scenarios/requirements.in -o scripts/scenarios/requirements.txt --refresh-package packse --upgrade
cargo dev fetch-python
source .env
./scripts/sync_scenarios.sh
```

crates/uv/tests/pip_compile_scenarios.rs

@@ -1,7 +1,7 @@
 //! DO NOT EDIT
 //!
 //! Generated with `./scripts/sync_scenarios.sh`
-//! Scenarios from <https://github.com/astral-sh/packse/tree/0.3.14/scenarios>
+//! Scenarios from <https://github.com/astral-sh/packse/tree/0.3.15/scenarios>
 //!
 #![cfg(all(feature = "python", feature = "pypi", unix))]
 
@@ -27,9 +27,9 @@ fn command(context: &TestContext, python_versions: &[&str]) -> Command {
         .arg("compile")
         .arg("requirements.in")
         .arg("--index-url")
-        .arg("https://astral-sh.github.io/packse/0.3.14/simple-html/")
+        .arg("https://astral-sh.github.io/packse/0.3.15/simple-html/")
         .arg("--find-links")
-        .arg("https://raw.githubusercontent.com/astral-sh/packse/0.3.14/vendor/links.html")
+        .arg("https://raw.githubusercontent.com/astral-sh/packse/0.3.15/vendor/links.html")
         .arg("--cache-dir")
         .arg(context.cache_dir.path())
         .env("VIRTUAL_ENV", context.venv.as_os_str())

crates/uv/tests/pip_install_scenarios.rs

@@ -1,7 +1,7 @@
 //! DO NOT EDIT
 //!
 //! Generated with `./scripts/sync_scenarios.sh`
-//! Scenarios from <https://github.com/astral-sh/packse/tree/0.3.14/scenarios>
+//! Scenarios from <https://github.com/astral-sh/packse/tree/0.3.15/scenarios>
 //!
 #![cfg(all(feature = "python", feature = "pypi", unix))]
 
@@ -46,9 +46,9 @@ fn command(context: &TestContext) -> Command {
         .arg("pip")
         .arg("install")
         .arg("--index-url")
-        .arg("https://astral-sh.github.io/packse/0.3.14/simple-html/")
+        .arg("https://astral-sh.github.io/packse/0.3.15/simple-html/")
         .arg("--find-links")
-        .arg("https://raw.githubusercontent.com/astral-sh/packse/0.3.14/vendor/links.html")
+        .arg("https://raw.githubusercontent.com/astral-sh/packse/0.3.15/vendor/links.html")
         .arg("--cache-dir")
         .arg(context.cache_dir.path())
         .env("VIRTUAL_ENV", context.venv.as_os_str())
@@ -1258,6 +1258,51 @@ fn transitive_incompatible_with_transitive() {
     );
 }
 
+/// The user requires `a`, which requires two incompatible, existing versions of
+/// package `b`
+///
+/// ```text
+/// transitive-incompatible-versions
+/// ├── environment
+/// │   └── python3.8
+/// ├── root
+/// │   └── requires a==1.0.0
+/// │       └── satisfied by a-1.0.0
+/// └── a
+///     └── a-1.0.0
+///         ├── requires b==2.0.0
+///             └── unsatisfied: no versions for package
+///         └── requires b==1.0.0
+///             └── unsatisfied: no versions for package
+/// ```
+#[test]
+fn transitive_incompatible_versions() {
+    let context = TestContext::new("3.8");
+
+    // In addition to the standard filters, swap out package names for shorter messages
+    let mut filters = context.filters();
+    filters.push((r"transitive-incompatible-versions-", "package-"));
+
+    uv_snapshot!(filters, command(&context)
+        .arg("transitive-incompatible-versions-a==1.0.0")
+        , @r###"
+    success: false
+    exit_code: 1
+    ----- stdout -----
+
+    ----- stderr -----
+      × No solution found when resolving dependencies:
+      ╰─▶ Because package-a==1.0.0 depends on package-b==1.0.0 and package-a==1.0.0 depends on package-b==2.0.0, we can conclude that package-a==1.0.0 cannot be used.
+          And because you require package-a==1.0.0, we can conclude that the requirements are unsatisfiable.
+    "###);
+
+    assert_not_installed(
+        &context.venv,
+        "transitive_incompatible_versions_a",
+        &context.temp_dir,
+    );
+}
+
 /// A simple version constraint should not exclude published versions with local
 /// segments.
 ///

scripts/scenarios/requirements.txt

@@ -6,19 +6,19 @@ charset-normalizer==3.3.2
     # via requests
 chevron-blue==0.2.1
     # via packse
-docutils==0.21.post1
+docutils==0.21.2
     # via readme-renderer
-hatchling==1.22.5
+hatchling==1.24.2
     # via packse
-idna==3.6
+idna==3.7
     # via requests
 importlib-metadata==7.1.0
     # via twine
 jaraco-classes==3.4.0
     # via keyring
 jaraco-context==5.3.0
     # via keyring
-jaraco-functools==4.0.0
+jaraco-functools==4.0.1
     # via keyring
 keyring==25.1.0
     # via twine
@@ -36,17 +36,19 @@ nh3==0.2.17
     # via readme-renderer
 packaging==24.0
     # via hatchling
-packse==0.3.14
+packse==0.3.15
 pathspec==0.12.1
     # via hatchling
 pkginfo==1.10.0
     # via twine
-pluggy==1.4.0
+pluggy==1.5.0
     # via hatchling
 pygments==2.17.2
     # via
     #   readme-renderer
     #   rich
+pyyaml==6.0.1
+    # via packse
 readme-renderer==43.0
     # via twine
 requests==2.31.0
@@ -59,7 +61,7 @@ rfc3986==2.0.0
     # via twine
 rich==13.7.1
     # via twine
-setuptools==69.2.0
+setuptools==69.5.1
     # via packse
 trove-classifiers==2024.4.10
     # via hatchling