fix: check for => in go.mod

Signed-off-by: Luke-zhang-04 <[email protected]>

Author: Luke-zhang-04

src/onefetch/deps/package_parser.rs

@@ -12,7 +12,8 @@ pub fn cargo(contents: &str) -> Result<usize> {
 }
 
 pub fn go_modules(contents: &str) -> Result<usize> {
-    let count = Regex::new(r"v[0-9]+")?.find_iter(contents).count();
+    let count = Regex::new(r"v[0-9]+")?.find_iter(contents).count()
+        - Regex::new(r"=>")?.find_iter(contents).count();
 
     Ok(count)
 }