Switch xcode_autoconf to use 'configure = True'

Using 'local = True' seems to run this too frequently. Realistically the user's installed Xcode versions don't change very often so similar to cc_autoconf this should be ok.

Closes #19121.

PiperOrigin-RevId: 553557177
Change-Id: I66368ec31d97badd24814aa13177261099e56dc7

tools/osx/xcode_configure.bzl

@@ -293,7 +293,7 @@ def _impl(repository_ctx):
 
 xcode_autoconf = repository_rule(
     implementation = _impl,
-    local = True,
+    configure = True,
     attrs = {
         "xcode_locator": attr.string(),
         "remote_xcode": attr.string(),