Release Emacs 30.1

* ChangeLog.5: New file.
* Makefile.in (CHANGELOG_HISTORY_INDEX_MAX): Bump.
* etc/HISTORY: Add Emacs 30.1.

ChangeLog.5

@@ -0,0 +1,29 @@
+2025-02-23  Stefan Kangas  <stefankangas@gmail.com>
+
+	* Version 30.1 released.
+
+This file records repository revisions from
+commit 1cda0967b4d3c815fc610794ad6a8fc2b913a3c5 (exclusive) to
+commit bcba098505e4f80eef41e4be9726f1f9868223f3 (inclusive).
+See ChangeLog.4 for earlier changes.
+
+;; Local Variables:
+;; coding: utf-8
+;; End:
+
+  Copyright (C) 2025 Free Software Foundation, Inc.
+
+  This file is part of GNU Emacs.
+
+  GNU Emacs is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  GNU Emacs is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with GNU Emacs.  If not, see <https://www.gnu.org/licenses/>.

Makefile.in

@@ -1303,7 +1303,7 @@ emacslog = build-aux/gitlog-to-emacslog
 # The ChangeLog history files are called ChangeLog.1, ChangeLog.2, ...,
 # ChangeLog.$(CHANGELOG_HISTORY_INDEX_MAX).  $(CHANGELOG_N) stands for
 # the newest (highest-numbered) ChangeLog history file.
-CHANGELOG_HISTORY_INDEX_MAX = 4
+CHANGELOG_HISTORY_INDEX_MAX = 5
 CHANGELOG_N = ChangeLog.$(CHANGELOG_HISTORY_INDEX_MAX)
 
 # Convert git commit log to ChangeLog file.  make-dist uses this.

etc/HISTORY

@@ -239,6 +239,8 @@ GNU Emacs 29.3 (2024-03-24) emacs-29.3
 
 GNU Emacs 29.4 (2024-06-22) emacs-29.4
 
+GNU Emacs 30.1 (2025-02-23) emacs-30.1
+
 
 ----------------------------------------------------------------------
 This file is part of GNU Emacs.