chore: fixup to owlbot script

Author: codyoss

core/precise-date/owlbot.py

@@ -23,4 +23,4 @@
 common_templates = gcp.CommonTemplates()
 templates = common_templates.node_mono_repo_library(relative_dir="core/precise-date")
 s.copy(templates, destination="core/precise-date", excludes=["README.md"])
-node.fix()
+node.fix_hermetic(relative_dir="core/precise-date")