Update dependency zopfli to v0.2.3

renovate[bot] · web-flow · commit 5f3b918cfa81 · 2023-09-12T12:31:02.000Z
diff --git a/requirements.txt b/requirements.txt
@@ -21,4 +21,4 @@ urllib3==1.26.16
 weasyprint==58.1
 webencodings==0.5.1
 Werkzeug==2.3.7
-zopfli==0.2.2
+zopfli==0.2.3
