Update publish config (#46732)

eng/Versions.props

@@ -8,7 +8,7 @@
     <MajorVersion>3</MajorVersion>
     <MinorVersion>8</MinorVersion>
     <PatchVersion>0</PatchVersion>
-    <PreReleaseVersionLabel>2</PreReleaseVersionLabel>
+    <PreReleaseVersionLabel>3</PreReleaseVersionLabel>
     <VersionPrefix>$(MajorVersion).$(MinorVersion).$(PatchVersion)</VersionPrefix>
     <!--
       By default the assembly version in official builds is "$(MajorVersion).$(MinorVersion).0.0".
@@ -275,4 +275,4 @@
     -->
     <UsingToolMicrosoftNetCompilers Condition="'$(BootstrapBuildPath)' == ''">true</UsingToolMicrosoftNetCompilers>
   </PropertyGroup>
-</Project>
\ No newline at end of file
+</Project>

eng/config/PublishData.json

@@ -193,12 +193,12 @@
       "vsBranch": "rel/d16.7",
       "vsMajorVersion": 16
     },
-    "release/dev16.8-preview1-vs-deps": {
+    "release/dev16.8-vs-deps": {
       "nugetKind": [ "Shipping", "NonShipping" ],
       "version": "3.8.*",
       "packageFeeds": "default",
       "vsix": [ "https://dotnet.myget.org/F/roslyn/vsix/upload" ],
-      "channels": [ "dev16.8p1" ],
+      "channels": [ "dev16.8p2" ],
       "vsBranch": "rel/d16.8",
       "vsMajorVersion": 16
     },
@@ -207,7 +207,7 @@
       "version": "3.8.*",
       "packageFeeds": "default",
       "vsix": [ "https://dotnet.myget.org/F/roslyn/vsix/upload" ],
-      "channels": [ "dev16.8", "dev16.8p2" ],
+      "channels": [ "dev16.8", "dev16.8p3" ],
       "vsBranch": "master",
       "vsMajorVersion": 16
     },