requirements.txt: update to urllib3 2.6.3

pjonsson · pjonsson · commit abc83d205a2e · 2026-01-08T10:34:52.000+01:00
This fixes security issues.
diff --git a/requirements.txt b/requirements.txt
@@ -434,7 +434,7 @@ tzdata==2025.3
     # via
     #   kombu
     #   pandas
-urllib3==2.6.2
+urllib3==2.6.3
     # via
     #   botocore
     #   distributed
