Update syn to v2.

This is a copy of #103, but copying the CL seems to not work properly, hence I reexported it.

PiperOrigin-RevId: 521440221

Author: bjacotg

googletest_macro/Cargo.toml

@@ -27,7 +27,7 @@ authors = [
 
 [dependencies]
 quote = "1.0.21"
-syn = {version = "1.0.103", features = ["full"]}
+syn = {version = "2.0.10", features = ["full"]}
 
 [lib]
 name = "googletest_macro"

googletest_macro/src/lib.rs

@@ -86,13 +86,13 @@ pub fn google_test(
 }
 
 fn is_test_attribute(attr: &Attribute) -> bool {
-    let Some(first_segment) = attr.path.segments.first() else {
+    let Some(first_segment) = attr.path().segments.first() else {
         return false;
     };
-    let Some(last_segment) = attr.path.segments.last() else {
+    let Some(last_segment) = attr.path().segments.last() else {
         return false;
     };
     first_segment.ident == "rstest"
         && last_segment.ident == "rstest"
-        && attr.path.segments.len() <= 2
+        && attr.path().segments.len() <= 2
 }