Show tag hints when failing to find a compatible wheel in pylock.toml (astral-sh#13136)

## Summary

Closes astral-sh#13135.

Author: charliermarsh

crates/uv-requirements/src/upgrade.rs

@@ -7,7 +7,7 @@ use uv_configuration::Upgrade;
 use uv_fs::CWD;
 use uv_git::ResolvedRepositoryReference;
 use uv_requirements_txt::RequirementsTxt;
-use uv_resolver::{Lock, LockError, Preference, PreferenceError, PylockToml, PylockTomlError};
+use uv_resolver::{Lock, LockError, Preference, PreferenceError, PylockToml, PylockTomlErrorKind};
 
 #[derive(Debug, Default)]
 pub struct LockedRequirements {
@@ -105,7 +105,7 @@ pub fn read_lock_requirements(
 pub async fn read_pylock_toml_requirements(
     output_file: &Path,
     upgrade: &Upgrade,
-) -> Result<LockedRequirements, PylockTomlError> {
+) -> Result<LockedRequirements, PylockTomlErrorKind> {
     // As an optimization, skip iterating over the lockfile is we're upgrading all packages anyway.
     if upgrade.is_all() {
         return Ok(LockedRequirements::default());

crates/uv-resolver/src/lib.rs

@@ -5,8 +5,9 @@ pub use exclusions::Exclusions;
 pub use flat_index::{FlatDistributions, FlatIndex};
 pub use fork_strategy::ForkStrategy;
 pub use lock::{
-    Installable, Lock, LockError, LockVersion, Package, PackageMap, PylockToml, PylockTomlError,
-    RequirementsTxtExport, ResolverManifest, SatisfiesResult, TreeDisplay, VERSION,
+    Installable, Lock, LockError, LockVersion, Package, PackageMap, PylockToml,
+    PylockTomlErrorKind, RequirementsTxtExport, ResolverManifest, SatisfiesResult, TreeDisplay,
+    VERSION,
 };
 pub use manifest::Manifest;
 pub use options::{Flexibility, Options, OptionsBuilder};

crates/uv-resolver/src/lock/export/mod.rs

@@ -15,7 +15,7 @@ use uv_pypi_types::ConflictItem;
 
 use crate::graph_ops::{marker_reachability, Reachable};
 pub(crate) use crate::lock::export::pylock_toml::PylockTomlPackage;
-pub use crate::lock::export::pylock_toml::{PylockToml, PylockTomlError};
+pub use crate::lock::export::pylock_toml::{PylockToml, PylockTomlErrorKind};
 pub use crate::lock::export::requirements_txt::RequirementsTxtExport;
 use crate::universal_marker::resolve_conflicts;
 use crate::{Installable, Package};