Update NEWS for rerere implementation

Fixes #1786

NEWS

@@ -2,6 +2,10 @@
 
  * Drop support for Python 3.9. (Jelmer Vernooij)
 
+ * Add support for ``git rerere`` (reuse recorded resolution) with CLI
+   subcommands and porcelain functions. Supports ``rerere.enabled`` and
+   ``rerere.autoupdate`` configuration. (Jelmer Vernooij, #1786)
+
  * Add support for ``git mailinfo`` command to extract patch information from
    email messages. Implements ``dulwich mailinfo`` CLI command,
    ``porcelain.mailinfo()``, and ``patch.mailinfo()`` with support for subject

tests/__init__.py

@@ -181,6 +181,7 @@ def self_test_suite() -> unittest.TestSuite:
         "refs",
         "reftable",
         "repository",
+        "rerere",
         "server",
         "sparse_patterns",
         "stash",