Bump pyopenssl conda pin from >=25.3.0 to >=26.0.0

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: dpark01

docker/requirements/baseimage.txt

@@ -19,7 +19,7 @@ google-cloud-storage>=2.14.0
 # Python security libraries (pinned to address CVEs in transitive deps of firecloud)
 cryptography>=46.0.5
 jaraco.context>=6.1.0
-pyopenssl>=25.3.0
+pyopenssl>=26.0.0
 pyasn1>=0.6.3
 tornado>=6.5.4