Sync with Git 2.46.2

Author: gitster

Documentation/RelNotes/2.46.2.txt

@@ -9,3 +9,15 @@ It also reverts the "git patch-id" change that went into 2.46.1,
 as it seems to have got a regression reported (I haven't verified,
 but it is better to keep a known breakage than adding an unintended
 regression).
+
+Other than that, a handful of minor bugfixes are included.
+
+ * In a few corner cases "git diff --exit-code" failed to report
+   "changes" (e.g., renamed without any content change), which has
+   been corrected.
+
+ * Cygwin does have /dev/tty support that is needed by things like
+   single-key input mode.
+
+ * The interpret-trailers command failed to recognise the end of the
+   message when the commit log ends in an incomplete line.