Update dependency Sphinx to v4.5.0 (#125)

renovate[bot] · web-flow · commit 2bd3b3242fb8 · 2022-04-04T13:12:12.000+01:00
diff --git a/requirements_dev.txt b/requirements_dev.txt
@@ -2,7 +2,7 @@ bump2version==1.0.1
 coverage==6.3.2
 pip==22.0.4
 pytest==7.1.1
-Sphinx==4.4.0
+Sphinx==4.5.0
 tox==3.24.5
 twine==3.8.0
 wheel==0.37.1
