Update CHANGELOG for v0.6.1

Signed-off-by: Ayan Sinha Mahapatra <ayansmahapatra@gmail.com>

Author: AyanSinhaMahapatra

CHANGELOG.rst

@@ -1,6 +1,15 @@
 Changelog
 =========
 
+v0.6.1
+------
+
+- Bump tree-sitter to v0.24 with python 3.13 support
+- Use released py-tree-sitter-swift from https://github.com/aboutcode-org/tree-sitter-swift
+- Add tests for source symbol extraction with tree-sitter in all supported languages
+
+See https://github.com/aboutcode-org/source-inspector/pull/36 for more details.
+
 v0.6.0
 ------