Prepare in-proc branch for VNext: Clear notes, update version to 4.46.100 (#11443)

* Update version to 4.46.100

* Clear release notes

---------

Co-authored-by: azure-functions-release[bot] <223311270+azure-functions-release[bot]@users.noreply.github.com>

Author: azure-functions-release[bot]

release_notes.md

@@ -1,11 +1,5 @@
-### Release notes
-
-<!-- Please add your release notes in the following format:
-- My change description (#PR)
--->
-- Add JitTrace files for v4.44
-- Updated to version 1.5.8 of Microsoft.Azure.AppService.Middleware.Functions for .NET 8 only (#11416)
-- Enabling worker indexing for Logic Apps behind an enviornment setting (#11377)
-- Remove packages `Microsoft.Azure.Cosmos.Table` and `Microsoft.Azure.DocumentDB.Core` (#11435)
-- Update Microsoft.Azure.WebJobs.Extensions to 5.2.1 (#11415)
-- Update Microsoft.Azure.WebJobs.Extensions.Http to 3.2.1 (#11440)
+### Release notes
+
+<!-- Please add your release notes in the following format:
+- My change description (#PR)
+-->

src/Directory.Version.props

@@ -1,6 +1,6 @@
 <Project>
   <PropertyGroup>
-    <VersionPrefix>4.$(MinorVersionPrefix)45.100</VersionPrefix>
+    <VersionPrefix>4.$(MinorVersionPrefix)46.100</VersionPrefix>
     <UpdateBuildNumber>true</UpdateBuildNumber>
   </PropertyGroup>
 </Project>