Sync with 2.34.1

Author: gitster

Documentation/RelNotes/2.34.1.txt

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+Git v2.34.1 Release Notes
+=========================
+
+This release is primarily to fix a handful of regressions in Git 2.34.
+
+Fixes since v2.34
+-----------------
+
+ * "git grep" looking in a blob that has non-UTF8 payload was
+   completely broken when linked with certain versions of PCREv2
+   library in the latest release.
+
+ * "git pull" with any strategy when the other side is behind us
+   should succeed as it is a no-op, but doesn't.
+
+ * An earlier change in 2.34.0 caused JGit application (that abused
+   GIT_EDITOR mechanism when invoking "git config") to get stuck with
+   a SIGTTOU signal; it has been reverted.
+
+ * An earlier change that broke .gitignore matching has been reverted.
+
+ * SubmittingPatches document gained a syntactically incorrect mark-up,
+   which has been corrected.