Revert to using reportBounds instead of Objects.checkFromIndexSize in UTF32Reader

Co-authored-by: pjfanning <11783444+pjfanning@users.noreply.github.com>

Author: Copilot

src/main/java/tools/jackson/core/io/UTF32Reader.java

@@ -114,10 +114,13 @@ public int read() throws IOException {
     public int read(char[] cbuf, int start, int len) throws IOException
     {
         Objects.requireNonNull(cbuf, "cbuf");
-        Objects.checkFromIndexSize(start, len, cbuf.length);
         // Already EOF?
         if (_buffer == null) { return -1; }
         if (len < 1) { return len; }
+        // Let's then ensure there's enough room...
+        if (start < 0 || len < 0 || start > (cbuf.length - len)) {
+            reportBounds(cbuf, start, len);
+        }
 
         int outPtr = start;
         final int outEnd = len+start;