Fix typos in new uv self help messages (astral-sh#8376)

[Originally
reported](https://discord.com/channels/1039017663004942429/1060247592765759518/1297405236599591004)
by dice on Discord.

crates/uv/tests/it/common/mod.rs

@@ -56,7 +56,7 @@ pub const INSTA_FILTERS: &[(&str, &str)] = &[
     (r"tv_nsec: \d+", "tv_nsec: [TIME]"),
     // Rewrite Windows output to Unix output
     (r"\\([\w\d]|\.\.)", "/$1"),
-    (r"uv.exe", "uv"),
+    (r"uv\.exe", "uv"),
     // uv version display
     (
         r"uv(-.*)? \d+\.\d+\.\d+( \(.*\))?",

crates/uv/tests/it/help.rs

@@ -29,7 +29,7 @@ fn help() {
       build                      Build Python packages into source distributions and wheels
       publish                    Upload distributions to an index
       cache                      Manage uv's cache
-      self                       Manage the uvcutable
+      self                       Manage the uv executable
       version                    Display uv's version
       generate-shell-completion  Generate shell completion
       help                       Display documentation for a command
@@ -99,7 +99,7 @@ fn help_flag() {
       build    Build Python packages into source distributions and wheels
       publish  Upload distributions to an index
       cache    Manage uv's cache
-      self     Manage the uvcutable
+      self     Manage the uv executable
       version  Display uv's version
       help     Display documentation for a command
 
@@ -167,7 +167,7 @@ fn help_short_flag() {
       build    Build Python packages into source distributions and wheels
       publish  Upload distributions to an index
       cache    Manage uv's cache
-      self     Manage the uvcutable
+      self     Manage the uv executable
       version  Display uv's version
       help     Display documentation for a command
 
@@ -778,7 +778,7 @@ fn help_with_global_option() {
       build                      Build Python packages into source distributions and wheels
       publish                    Upload distributions to an index
       cache                      Manage uv's cache
-      self                       Manage the uvcutable
+      self                       Manage the uv executable
       version                    Display uv's version
       generate-shell-completion  Generate shell completion
       help                       Display documentation for a command
@@ -883,7 +883,7 @@ fn help_with_no_pager() {
       build                      Build Python packages into source distributions and wheels
       publish                    Upload distributions to an index
       cache                      Manage uv's cache
-      self                       Manage the uvcutable
+      self                       Manage the uv executable
       version                    Display uv's version
       generate-shell-completion  Generate shell completion
       help                       Display documentation for a command