Update links and versions (#82)

Python updated to 3.11
Update GitHub actions link
Update Gitter link

Author: arcivanov

documentation/plugins.md

@@ -1085,7 +1085,7 @@ This task can be used to generate a PyCharm project files in the project root di
 
 ### Visual feedback for tests
 The `python.pytddmon` plugin provides the task `pytddmon` which will start a graphical application that gives real-time feedback about passing or failing unit tests.
-Please [see the pytddmon page](http://pytddmon.org/) for more information about pytddmon.
+Please see the pytddmon page (http://pytddmon.org/ broken link) for more information about pytddmon.
 
 ## Additional project structure
 

index.html

@@ -16,10 +16,10 @@ <h1>
             from other famous build tools like <em>Apache Maven</em> and <em>Gradle</em>.
         </p>
         <p>
-            <em>PyBuilder</em> runs on Python <strong>3.6 to 3.10 and PyPy</strong>.
+            <em>PyBuilder</em> runs on Python <strong>3.6 to 3.11 and PyPy</strong>.
             Every commit is tested via
             <a href="https://github.com/pybuilder/pybuilder/actions/workflows/pybuilder.yml">GitHub Actions</a>
-            on CPython 3.6, 3.7, 3.8, 3.9, 3.10 and PyPy on Linux, MacOS
+            on CPython 3.6, 3.7, 3.8, 3.9, 3.10, 3.11 and PyPy on Linux, MacOS
             (with and without Homebrew) and Windows.
         </p>
         <p>
@@ -43,11 +43,11 @@ <h1>
             <a href="https://twitter.com/intent/follow?screen_name=pybuilder_">
                 <img src="https://img.shields.io/twitter/follow/pybuilder_?label=Follow%20PyBuilder&style=social"
                      loading="lazy" alt="Follow PyBuilder on Twitter"/></a>
-            <a href="https://gitter.im/pybuilder/pybuilder">
+            <a href="https://app.gitter.im/#/room/#pybuilder_pybuilder:gitter.im">
                 <img src="https://img.shields.io/gitter/room/pybuilder/pybuilder?logo=gitter"
                      loading="lazy" alt="PyBuilder Gitter Room"/></a>
             <a href="https://github.com/pybuilder/pybuilder/actions/workflows/pybuilder.yml">
-                <img src="https://img.shields.io/github/workflow/status/pybuilder/pybuilder/pybuilder/master"
+                <img src="https://img.shields.io/github/actions/workflow/status/pybuilder/pybuilder/pybuilder.yml?branch=master"
                      loading="lazy" alt="PyBuilder GitHub Actions Build Status"/></a>
             <a href="https://coveralls.io/github/pybuilder/pybuilder">
                 <img src="https://img.shields.io/coveralls/github/pybuilder/pybuilder/master?logo=coveralls"