Update 7.0 SiteExtension version (dotnet#45113)

Author: wtgodbe

eng/Versions.props

@@ -249,10 +249,9 @@
     <MicrosoftAspNetCoreAzureAppServicesSiteExtension60Version>6.0.10-servicing-22476-17</MicrosoftAspNetCoreAzureAppServicesSiteExtension60Version>
     <MicrosoftAspNetCoreAzureAppServicesSiteExtension60x64Version>$(MicrosoftAspNetCoreAzureAppServicesSiteExtension60Version)</MicrosoftAspNetCoreAzureAppServicesSiteExtension60x64Version>
     <MicrosoftAspNetCoreAzureAppServicesSiteExtension60x86Version>$(MicrosoftAspNetCoreAzureAppServicesSiteExtension60Version)</MicrosoftAspNetCoreAzureAppServicesSiteExtension60x86Version>
-    <!-- Should be 7.0.0-rtm-22518-19 soon. -->
-    <MicrosoftAspNetCoreAzureAppServicesSiteExtension70Version>7.0.0-rtm-22517-17</MicrosoftAspNetCoreAzureAppServicesSiteExtension70Version>
-    <MicrosoftAspNetCoreAzureAppServicesSiteExtension70x64Version>$(MicrosoftAspNetCoreAzureAppServicesSiteExtension60Version)</MicrosoftAspNetCoreAzureAppServicesSiteExtension70x64Version>
-    <MicrosoftAspNetCoreAzureAppServicesSiteExtension70x86Version>$(MicrosoftAspNetCoreAzureAppServicesSiteExtension60Version)</MicrosoftAspNetCoreAzureAppServicesSiteExtension70x86Version>
+    <MicrosoftAspNetCoreAzureAppServicesSiteExtension70Version>7.0.0-rtm-22518-19</MicrosoftAspNetCoreAzureAppServicesSiteExtension70Version>
+    <MicrosoftAspNetCoreAzureAppServicesSiteExtension70x64Version>$(MicrosoftAspNetCoreAzureAppServicesSiteExtension70Version)</MicrosoftAspNetCoreAzureAppServicesSiteExtension70x64Version>
+    <MicrosoftAspNetCoreAzureAppServicesSiteExtension70x86Version>$(MicrosoftAspNetCoreAzureAppServicesSiteExtension70Version)</MicrosoftAspNetCoreAzureAppServicesSiteExtension70x86Version>
     <!-- 3rd party dependencies -->
     <AngleSharpVersion>0.9.9</AngleSharpVersion>
     <BenchmarkDotNetVersion>0.13.0</BenchmarkDotNetVersion>