Update dependency bzt to v1.16.45

Author: renovate[bot]

requirements.txt

@@ -6,6 +6,6 @@ selenium==4.35.0
 filelock==3.19.1
 packaging==25.0
 prettytable==3.16.0
-bzt==1.16.32        # bzt 1.16.34 has pinned setuptools==65.5.0, which does not have distutils
+bzt==1.16.45        # bzt 1.16.34 has pinned setuptools==65.5.0, which does not have distutils
 boto3==1.40.15
 retry==0.9.2