Release 1.0.0b2

What's Changed

• build: update to 1ES PT by @hallvictoria in #47
• build: 1ES Pipeline fixes by @hallvictoria in #52
• build: bump azure-storage-blob from 12.19.1 to 12.20.0 in /azurefunctions-extensions-bindings-blob by @dependabot in #46
• chore: repo clean-up by @hallvictoria in #54
• fix: validating undefined connection strings by @hallvictoria in #44
• build: bump azure-storage-blob from 12.20.0 to 12.23.1 in /azurefunctions-extensions-bindings-blob by @dependabot in #72
• feat: supporting managed identity by @hallvictoria in #45
• build: update extension version by @hallvictoria in #57

Full Changelog: https://github.com/Azure/azure-functions-python-extensions/commits/1.0.0b2