Update branding to preview6 (dotnet#62040)

* Update branding to preview6

* Update resourceManagement.yml

Author: wtgodbe

.github/policies/resourceManagement.yml

@@ -382,18 +382,18 @@ configuration:
           branch: main
       then:
       - addMilestone:
-          milestone: 10.0-preview5
+          milestone: 10.0-preview6
       description: '[Milestone Assignments] Assign Milestone to PRs merged to the `main` branch'
     - if:
       - payloadType: Pull_Request
       - isAction:
           action: Closed
       - targetsBranch:
-          branch: release/10.0-preview4
+          branch: release/10.0-preview5
       then:
       - removeMilestone
       - addMilestone:
-          milestone: 10.0-preview4
+          milestone: 10.0-preview5
       description: '[Milestone Assignments] Assign Milestone to PRs merged to release/10.0-preview1 branch'
     - if:
       - payloadType: Issues

eng/Versions.props

@@ -9,7 +9,7 @@
     <AspNetCoreMajorVersion>10</AspNetCoreMajorVersion>
     <AspNetCoreMinorVersion>0</AspNetCoreMinorVersion>
     <AspNetCorePatchVersion>0</AspNetCorePatchVersion>
-    <PreReleaseVersionIteration>5</PreReleaseVersionIteration>
+    <PreReleaseVersionIteration>6</PreReleaseVersionIteration>
     <ValidateBaseline>true</ValidateBaseline>
     <IdentityModelVersion Condition="'$(IsIdentityModelTestJob)' != 'true'">8.0.1</IdentityModelVersion>
     <IdentityModelVersion Condition="'$(IsIdentityModelTestJob)' == 'true'">*-*</IdentityModelVersion>