Docs: add missing tools to Tools/README (#139150)

Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>

Tools/README

@@ -16,6 +16,8 @@ clinic          A preprocessor for CPython C files in order to automate
 
 freeze          Create a stand-alone executable from a Python program.
 
+ftscalingbench  Benchmarks for free-threading and finding bottlenecks.
+
 gdb             Python code to be run inside gdb, to make it easier to
                 debug Python itself (by David Malcolm).
 
@@ -26,6 +28,12 @@ i18n            Tools for internationalization. pygettext.py
 
 importbench     A set of micro-benchmarks for various import scenarios.
 
+inspection      Tooling for PEP-678 "Safe external debugger interface for CPython".
+
+jit             Tooling for building the JIT.
+
+lockbench       Benchmarks for PyMutex and critical sections.
+
 msi             Support for packaging Python as an MSI package on Windows.
 
 nuget           Files for the NuGet package manager for .NET.
@@ -41,6 +49,8 @@ scripts         A number of useful single-file programs, e.g. run_tests.py
 ssl             Scripts to generate ssl_data.h from OpenSSL sources, and run
                 tests against multiple installations of OpenSSL and LibreSSL.
 
+tsan            Utilities for building CPython with thread-sanitizer.
+
 tz              A script to dump timezone from /usr/share/zoneinfo.
 
 unicode         Tools for generating unicodedata and codecs from unicode.org