fix(util): improve the robustness of timestamp conversion function - #262

fix(util): improve the robustness of timestamp conversion function#262

CorieW wants to merge 4 commits into

mainfirebase/firebase-functions-python:mainfrom

@invertase/robustify-timestamp-conversionfirebase/firebase-functions-python:@invertase/robustify-timestamp-conversionCopy head branch name to clipboard