Fix linter warning Too long filenames for eCryptfs

Original error:
```
2025-05-08 17:32:40(+03:44) [INFO] Running bin/jt lint
Too long filenames for eCryptfs:
mxbuild/jdk21/dists/jdk17/truffleruby.jar.files/org/truffleruby/core/string/StringPrimitiveNodesFactory$StringToNullTerminatedByteArrayNodeFactory$StringToNullTerminatedByteArrayNodeGen$StringToNullTerminatedByteArrayData.class
mxbuild/jdk21/org.truffleruby/bin/org/truffleruby/core/string/StringPrimitiveNodesFactory$StringToNullTerminatedByteArrayNodeFactory$StringToNullTerminatedByteArrayNodeGen$StringToNullTerminatedByteArrayData.class
```

Author: andrykonchin

src/main/java/org/truffleruby/core/string/StringPrimitiveNodes.java

@@ -2389,7 +2389,7 @@ RubyString stringFromByteArray(RubyByteArray byteArray, int start, int count, Ru
     public abstract static class StringToNullTerminatedByteArrayNode extends PrimitiveArrayArgumentsNode {
 
         @Specialization(guards = "libString.isRubyString(node, string)", limit = "1")
-        static Object stringToNullTerminatedByteArray(Object string,
+        static Object toByteArray(Object string,
                 @Bind Node node,
                 @Cached TruffleString.CopyToByteArrayNode copyToByteArrayNode,
                 @Cached RubyStringLibrary libString) {