fix: issue with line endings.

Author: plusvic

lib/src/modules/dotnet/tests/testdata/0224ad9739f5fa64a2a63e23ef6a0e3152020fc7964243fc845cad499d11f9ab.out

@@ -72,7 +72,7 @@ assembly_refs:
 resources:
   - name: |
 
-        
+        
 classes:
   - fullname: "OctopusRPA.Csv.CsvHelper"
     name: "CsvHelper"

proto-yaml/src/lib.rs

@@ -344,7 +344,9 @@ impl<W: Write> Serializer<W> {
                         write!(
                             self.output,
                             "{}",
-                            line.paint(self.colors.string)
+                            line.strip_suffix('\r')
+                                .unwrap_or(line)
+                                .paint(self.colors.string)
                         )?;
                     }
                 } else {