Rename modquery to mod

- Since we're considering adding more subcommands that don't exactly "query", such as `bazel mod upgrade` etc.
- `bazel modquery show` is renamed to `bazel mod show_repo` (`show_extension` is unchanged)
- `bazel modquery tree` is renamed to `bazel mod graph`.

bazelbuild/bazel#15365

Co-authored-by: Xùdōng Yáng <wyverald@gmail.com>
PiperOrigin-RevId: 547553222

third_party/bazel/src/main/protobuf/failure_details.proto

@@ -147,7 +147,7 @@ message FailureDetail {
     StarlarkLoading starlark_loading = 179;
     ExternalDeps external_deps = 181;
     DiffAwareness diff_awareness = 182;
-    ModqueryCommand modquery_command = 183;
+    ModCommand mod_command = 183;
     BuildReport build_report = 184;
   }
 
@@ -1303,9 +1303,9 @@ message DiffAwareness {
   Code code = 1;
 }
 
-message ModqueryCommand {
+message ModCommand {
   enum Code {
-    MODQUERY_COMMAND_UNKNOWN = 0 [(metadata) = { exit_code: 37 }];
+    MOD_COMMAND_UNKNOWN = 0 [(metadata) = { exit_code: 37 }];
     MISSING_ARGUMENTS = 1 [(metadata) = { exit_code: 2 }];
     TOO_MANY_ARGUMENTS = 2 [(metadata) = { exit_code: 2 }];
     INVALID_ARGUMENTS = 3 [(metadata) = { exit_code: 2 }];