Resetting release notes and bumping minor version (#8485)

Author: VpOfEngineering

build/common.props

@@ -4,7 +4,7 @@
     <TargetFramework>netstandard2.1</TargetFramework>
     <LangVersion>latest</LangVersion>
     <MajorVersion>4</MajorVersion>
-    <MinorVersion>7</MinorVersion>
+    <MinorVersion>8</MinorVersion>
     <PatchVersion>0</PatchVersion>
     <BuildNumber Condition="'$(BuildNumber)' == '' ">0</BuildNumber>
     <PreviewVersion></PreviewVersion>        

release_notes.md

@@ -2,10 +2,5 @@
 <!-- Please add your release notes in the following format:
 - My change description (#PR)
 -->
-**Release sprint:** Sprint 122
-[ [bugs](https://github.com/Azure/azure-functions-host/issues?q=is%3Aissue+milestone%3A%22Functions+Sprint+122%22+label%3Abug+is%3Aclosed) | [features](https://github.com/Azure/azure-functions-host/issues?q=is%3Aissue+milestone%3A%22Functions+Sprint+122%22+label%3Afeature+is%3Aclosed) ]
-- Updated Node.js Worker Version to [3.4.0](https://github.com/Azure/azure-functions-nodejs-worker/releases/tag/v3.4.0)
-- Added support for no storage account scenarios (#8083)
-- Update PowerShell Worker 7.0 to 4.0.2045 [Release Note](https://github.com/Azure/azure-functions-powershell-worker/releases/tag/v4.0.2045)
-- Update PowerShell Worker 7.2 to 4.0.2040 [Release Note](https://github.com/Azure/azure-functions-powershell-worker/releases/tag/v4.0.2040)
-- Update App Service Authentication/Authorization on Linux Consumption from 1.4.15 to 1.4.17 [Release Note](https://github.com/Azure/app-service-announcements/issues/375)
+**Release sprint:** Sprint 123
+[ [bugs](https://github.com/Azure/azure-functions-host/issues?q=is%3Aissue+milestone%3A%22Functions+Sprint+123%22+label%3Abug+is%3Aclosed) | [features](https://github.com/Azure/azure-functions-host/issues?q=is%3Aissue+milestone%3A%22Functions+Sprint+123%22+label%3Afeature+is%3Aclosed) ]