Update dependency PyGObject to v3.38.0 (#3299)

renovate[bot] · renovate-bot · kaiwalyajoshi · web-flow · commit 313a6a9a8a6c · 2020-11-03T08:49:00.000-08:00
Co-authored-by: Renovate Bot &lt;bot@renovateapp.com&gt;
Co-authored-by: Kaiwalya Joshi &lt;kjoshi@mesosphere.com&gt;
diff --git a/frozen_requirements.txt b/frozen_requirements.txt
@@ -92,7 +92,7 @@ pycodestyle==2.5.0
 pycparser==2.19
 pyflakes==2.1.1
 Pygments==2.7.2
-PyGObject==3.30.4
+PyGObject==3.38.0
 PyInstaller==3.3
 PyJWT==1.7.1
 pylint==2.3.1
