doc: jlink: update to 8.66

Updated shortcuts.txt to list J-Link 8.66.
NRFU-1645.

Signed-off-by: Grzegorz Ferenc <[email protected]>

Author: greg-fer

doc/nrf/releases_and_maturity/releases/release-notes-changelog.rst

@@ -36,7 +36,7 @@ IDE, OS, and tool support
 * Added macOS 26 support (Tier 3) to the table listing :ref:`supported operating systems for proprietary tools <additional_nordic_sw_tools_os_support>`.
 * Updated:
 
-  * The required `SEGGER J-Link`_ version to v8.60.
+  * The required `SEGGER J-Link`_ version to v8.66.
   * Steps on the :ref:`install_ncs` page for installing the |NCS| and toolchain together.
     With this change, the separate steps to install the toolchain and the SDK were merged into a single step.
 

doc/nrf/shortcuts.txt

@@ -6,7 +6,7 @@
 .. |release_tt| replace:: ``v3.1.0``
 .. |release_number_tt| replace:: ``3.1.0``
 
-.. |jlink_ver| replace:: v8.60
+.. |jlink_ver| replace:: v8.66
 
 .. |54H_nrfutil_device_ver| replace:: 2.13.1
 .. |54H_nrfutil_trace_ver| replace:: 4.0.1