doc: releases: fix sphinx lint errors

Fix compliance errors reported by SphinxLint.

Signed-off-by: Henrik Brix Andersen <henrik@brixandersen.dk>

Author: henrikbrixandersen

doc/releases/release-notes-3.2.rst

@@ -1613,7 +1613,7 @@ MCUboot
 * Edited the DFU detection's GPIO-pin configuration to be done through DTS using the ``mcuboot-button0`` pin alias.
 * Edited the LED usage to prefer DTS' ``mcuboot-led0`` alias over the ``bootloader-led0`` alias.
 * Removed :c:func:`device_get_binding()` usage in favor of :c:func:`DEVICE_DT_GET()`.
-* Added support for generic `watchdog0` alias.
+* Added support for generic ``watchdog0`` alias.
 * Enabled watchdog feed by default.
 * Dropped the :kconfig:option:`CONFIG_BOOT_IMAGE_ACCESS_HOOKS_FILE` option.
   The inclusion of the Hooks implementation file is now up to the project's customization.

doc/releases/release-notes-3.5.rst

@@ -2180,7 +2180,7 @@ Libraries / Subsystems
     the heap.
   * Added a new type of observer called Message Subscriber. ZBus' VDED will send a copy of the
     message during the publication/notification process.
-  * Changed the VDED delivery sequence. Check the ref:`documentation<zbus delivery sequence>`.
+  * Changed the VDED delivery sequence. Check the :ref:`documentation <zbus delivery sequence>`.
   * ZBus runtime observers now rely on the heap instead of a memory pool.
   * Added new iterable section iterators APIs (for channels and observers) can now receive a
     ``user_data`` pointer to keep context between the function calls.
@@ -2322,8 +2322,8 @@ Documentation
 Tests and Samples
 *****************
 
-* Created common sample for file systems (`fs_sample`). It originates from sample for FAT
-  (`fat_fs`) and supports both FAT and ext2 file systems.
+* Created common sample for file systems (``fs_sample``). It originates from sample for FAT
+  (``fat_fs``) and supports both FAT and ext2 file systems.
 
 * Created the zbus confirmed channel sample to demonstrate how to implement a delivery-guaranteed
   channel using subscribers.