Auto merge of #13701 - epage:refactor, r=weihanglo

refactor(toml): Decouple target discovery from Target creation

### What does this PR try to resolve?

This builds on #13693 so that the resolving of targets is easier to pull out into `resolve_toml` in prep for fixing #13456

### How should we test and review this PR?

### Additional information

src/cargo/util/toml/mod.rs

@@ -32,7 +32,7 @@ use crate::util::{self, context::ConfigRelativePath, GlobalContext, IntoUrl, Opt
 mod embedded;
 mod targets;
 
-use self::targets::targets;
+use self::targets::to_targets;
 
 /// See also `bin/cargo/commands/run.rs`s `is_manifest_command`
 pub fn is_embedded(path: &Path) -> bool {
@@ -476,7 +476,7 @@ fn resolve_package_toml<'a>(
             .map(|value| field_inherit_with(value, "documentation", || inherit()?.documentation()))
             .transpose()?
             .map(manifest::InheritableField::Value),
-        readme: readme_for_package(
+        readme: resolve_package_readme(
             package_root,
             original_package
                 .readme
@@ -530,7 +530,7 @@ fn resolve_package_toml<'a>(
 }
 
 /// Returns the name of the README file for a [`manifest::TomlPackage`].
-fn readme_for_package(
+fn resolve_package_readme(
     package_root: &Path,
     readme: Option<&manifest::StringOrBool>,
 ) -> Option<String> {
@@ -764,7 +764,7 @@ impl InheritableFields {
 
     /// Gets the field `workspace.package.readme`.
     fn readme(&self, package_root: &Path) -> CargoResult<manifest::StringOrBool> {
-        let Some(readme) = readme_for_package(
+        let Some(readme) = resolve_package_readme(
             self._ws_root.as_path(),
             self.package.as_ref().and_then(|p| p.readme.as_ref()),
         ) else {
@@ -1065,7 +1065,7 @@ fn to_real_manifest(
     // If we have no lib at all, use the inferred lib, if available.
     // If we have a lib with a path, we're done.
     // If we have a lib with no path, use the inferred lib or else the package name.
-    let targets = targets(
+    let targets = to_targets(
         &features,
         &resolved_toml,
         package_name,