[#8474] Upgrade GitPython 3.1.27 -> 3.1.29, and its deps: gitdb,smmap,typing-extensions

    GitPython                        3.1.27 -> 3.1.29
        gitdb                         4.0.9 -> no upgrade
            smmap                     5.0.0 -> no upgrade
        typing-extensions             4.3.0 -> 4.4.0
diff --git a/requirements.txt b/requirements.txt
index 7d8f3e0..abc59b4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -52,7 +52,7 @@
     # via creoleparser
 gitdb==4.0.9
     # via gitpython
-gitpython==3.1.27
+gitpython==3.1.29
     # via -r requirements.in
 gunicorn==20.1.0
     # via -r requirements.in
@@ -190,7 +190,7 @@
     # via colander
 turbogears2==2.3.12
     # via -r requirements.in
-typing-extensions==4.3.0
+typing-extensions==4.4.0
     # via
     #   gitpython
     #   importlib-metadata