Update branding to preview7 (#48946)

Author: wtgodbe

.github/fabricbot.json

@@ -2491,7 +2491,7 @@
           {
             "name": "addMilestone",
             "parameters": {
-              "milestoneName": "8.0-preview6"
+              "milestoneName": "8.0-preview7"
             }
           }
         ],
@@ -3304,7 +3304,7 @@
             {
               "name": "prTargetsBranch",
               "parameters": {
-                "branchName": "release/8.0-preview5"
+                "branchName": "release/8.0-preview6"
               }
             }
           ]
@@ -3315,7 +3315,7 @@
           "issues",
           "project_card"
         ],
-        "taskName": "[Milestone Assignments] Assign Milestone to PRs merged to release/8.0-preview5 branch",
+        "taskName": "[Milestone Assignments] Assign Milestone to PRs merged to release/8.0-preview6 branch",
         "actions": [
           {
             "name": "removeMilestone",
@@ -3324,7 +3324,7 @@
           {
             "name": "addMilestone",
             "parameters": {
-              "milestoneName": "8.0-preview5"
+              "milestoneName": "8.0-preview6"
             }
           }
         ]

eng/Versions.props

@@ -9,7 +9,7 @@
     <AspNetCoreMajorVersion>8</AspNetCoreMajorVersion>
     <AspNetCoreMinorVersion>0</AspNetCoreMinorVersion>
     <AspNetCorePatchVersion>0</AspNetCorePatchVersion>
-    <PreReleaseVersionIteration>6</PreReleaseVersionIteration>
+    <PreReleaseVersionIteration>7</PreReleaseVersionIteration>
     <ValidateBaseline>true</ValidateBaseline>
     <!--
         When StabilizePackageVersion is set to 'true', this branch will produce stable outputs for 'Shipping' packages