Remove more stray backticks from NEWS files (python#115374)

* Remove stray backtick from NEWS file

* Remove more stray backticks from 3.12.0a1.rst

* Remove another stray backtick in 3.13.0a1.rst

Misc/NEWS.d/3.12.0a1.rst

@@ -2722,7 +2722,7 @@ on future on an error - e.g. TimeoutError or KeyboardInterrupt.
 Fix a :mod:`sqlite3` regression where ``*args`` and ``**kwds`` were
 incorrectly relayed from :py:func:`~sqlite3.connect` to the
 :class:`~sqlite3.Connection` factory. The regression was introduced in
-3.11a1 with PR 24421 (:gh:`85128`). Patch by Erlend E. Aasland.`
+3.11a1 with PR 24421 (:gh:`85128`). Patch by Erlend E. Aasland.
 
 ..
 
@@ -2988,7 +2988,7 @@ Kumar Aditya.
 .. section: Library
 
 Fix crash in :class:`struct.Struct` when it was not completely initialized
-by initializing it in :meth:`~object.__new__``.  Patch by Kumar Aditya.
+by initializing it in :meth:`~object.__new__`.  Patch by Kumar Aditya.
 
 ..
 

Misc/NEWS.d/3.12.0b1.rst

@@ -563,10 +563,10 @@ Complex function calls are now faster and consume no C stack space.
 .. nonce: fvgsCl
 .. section: Core and Builtins
 
-``len()`` for 0-dimensional :class:`memoryview`` objects (such as
+``len()`` for 0-dimensional :class:`memoryview` objects (such as
 ``memoryview(ctypes.c_uint8(42))``) now raises a :exc:`TypeError`.
 Previously this returned ``1``, which was not consistent with ``mem_0d[0]``
-raising an :exc:`IndexError``.
+raising an :exc:`IndexError`.
 
 ..
 

Misc/NEWS.d/3.13.0a1.rst

@@ -4380,7 +4380,7 @@ Patch by Victor Stinner.
 .. nonce: I6MQhb
 .. section: Library
 
-:pep:`594`: Remove the :mod:`!cgi`` and :mod:`!cgitb` modules, deprecated in
+:pep:`594`: Remove the :mod:`!cgi` and :mod:`!cgitb` modules, deprecated in
 Python 3.11. Patch by Victor Stinner.
 
 ..