Remove references to deprecated first-match (#10036)

## Summary

This is a backwards-compatible alias for `first-index`.

Closes #10031.

crates/uv-cli/src/lib.rs

@@ -2414,7 +2414,7 @@ pub struct VenvArgs {
     /// The strategy to use when resolving against multiple index URLs.
     ///
     /// By default, uv will stop at the first index on which a given package is available, and
-    /// limit resolutions to those present on that first index (`first-match`). This prevents
+    /// limit resolutions to those present on that first index (`first-index`). This prevents
     /// "dependency confusion" attacks, whereby an attacker can upload a malicious package under the
     /// same name to an alternate index.
     #[arg(long, value_enum, env = EnvVars::UV_INDEX_STRATEGY)]
@@ -3992,7 +3992,7 @@ pub struct ToolUpgradeArgs {
     /// The strategy to use when resolving against multiple index URLs.
     ///
     /// By default, uv will stop at the first index on which a given package is available, and
-    /// limit resolutions to those present on that first index (`first-match`). This prevents
+    /// limit resolutions to those present on that first index (`first-index`). This prevents
     /// "dependency confusion" attacks, whereby an attacker can upload a malicious package under the
     /// same name to an alternate index.
     #[arg(
@@ -4656,7 +4656,7 @@ pub struct InstallerArgs {
     /// The strategy to use when resolving against multiple index URLs.
     ///
     /// By default, uv will stop at the first index on which a given package is available, and
-    /// limit resolutions to those present on that first index (`first-match`). This prevents
+    /// limit resolutions to those present on that first index (`first-index`). This prevents
     /// "dependency confusion" attacks, whereby an attacker can upload a malicious package under the
     /// same name to an alternate index.
     #[arg(
@@ -4798,7 +4798,7 @@ pub struct ResolverArgs {
     /// The strategy to use when resolving against multiple index URLs.
     ///
     /// By default, uv will stop at the first index on which a given package is available, and
-    /// limit resolutions to those present on that first index (`first-match`). This prevents
+    /// limit resolutions to those present on that first index (`first-index`). This prevents
     /// "dependency confusion" attacks, whereby an attacker can upload a malicious package under the
     /// same name to an alternate index.
     #[arg(
@@ -4988,7 +4988,7 @@ pub struct ResolverInstallerArgs {
     /// The strategy to use when resolving against multiple index URLs.
     ///
     /// By default, uv will stop at the first index on which a given package is available, and
-    /// limit resolutions to those present on that first index (`first-match`). This prevents
+    /// limit resolutions to those present on that first index (`first-index`). This prevents
     /// "dependency confusion" attacks, whereby an attacker can upload a malicious package under the
     /// same name to an alternate index.
     #[arg(
@@ -5159,7 +5159,7 @@ pub struct FetchArgs {
     /// The strategy to use when resolving against multiple index URLs.
     ///
     /// By default, uv will stop at the first index on which a given package is available, and
-    /// limit resolutions to those present on that first index (`first-match`). This prevents
+    /// limit resolutions to those present on that first index (`first-index`). This prevents
     /// "dependency confusion" attacks, whereby an attacker can upload a malicious package under the
     /// same name to an alternate index.
     #[arg(

crates/uv-settings/src/settings.rs

@@ -435,7 +435,7 @@ pub struct ResolverInstallerOptions {
     /// The strategy to use when resolving against multiple index URLs.
     ///
     /// By default, uv will stop at the first index on which a given package is available, and
-    /// limit resolutions to those present on that first index (`first-match`). This prevents
+    /// limit resolutions to those present on that first index (`first-index`). This prevents
     /// "dependency confusion" attacks, whereby an attacker can upload a malicious package under the
     /// same name to an alternate index.
     #[option(
@@ -905,7 +905,7 @@ pub struct PipOptions {
     /// The strategy to use when resolving against multiple index URLs.
     ///
     /// By default, uv will stop at the first index on which a given package is available, and
-    /// limit resolutions to those present on that first index (`first-match`). This prevents
+    /// limit resolutions to those present on that first index (`first-index`). This prevents
     /// "dependency confusion" attacks, whereby an attacker can upload a malicious package under the
     /// same name to an alternate index.
     #[option(