Doc: Update GDB Preferences screenshot

"GDB" and "GDB Extended" tabs have been combined into one tab.

Task-number: QTCREATORBUG-29392
Change-Id: I5f5e40399abf20d61cf0e2cd4e4c1f02dfc1404c
Reviewed-by: hjk <hjk@qt.io>
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>

doc/qtcreator/src/debugger/creator-only/creator-debugger-settings.qdoc

@@ -53,7 +53,7 @@
     To specify settings for managing the GDB process, select \preferences >
     \uicontrol Debugger > \uicontrol GDB.
 
-    \image qtcreator-gdb-options.png "GDB preferences"
+    \image qtcreator-preferences-debugger-gdb.webp {GDB preferences}
 
     To specify a timeout for terminating non-responsive GDB processes, set the
     number of seconds to wait in the \uicontrol {GDB timeout} field. The default
@@ -111,6 +111,8 @@
     To execute arbitrary Python scripts, use
     \c {python execfile('/path/to/script.py')}.
 
+    \section2 Extended GDB Settings
+
     The settings in the \uicontrol Extended group give access to advanced
     or experimental functions of GDB.
     Enabling them may negatively impact your debugging experience, so use

doc/qtcreator/src/debugger/creator-only/creator-debugger.qdoc

@@ -1368,7 +1368,7 @@
     \uicontrol Debugger > \uicontrol GDB > \uicontrol {Load system GDB pretty
     printers}. For more information, see \l{Specifying GDB Settings}.
 
-    \image qtcreator-gdb-options.png {GDB preferences}
+    \image qtcreator-preferences-debugger-gdb.webp {GDB preferences}
 
     \section2 Customizing Built-In Debugging Helpers
 
@@ -2036,7 +2036,7 @@
     when loading the same binary in the future. Select \preferences >
     \uicontrol Debugger > \uicontrol GDB > \uicontrol {Use automatic symbol cache}.
 
-    \image qtcreator-gdb-options.png {GDB preferences}
+    \image qtcreator-preferences-debugger-gdb.webp {GDB preferences}
 
     \section2 Minimizing Number of Breakpoints