Pin the 6.0.x downlevel versions to 6.0.36 (#110329)

Co-authored-by: Carlos Sánchez López <[email protected]>

Author: lewing

eng/Versions.props

@@ -8,7 +8,7 @@
     <PatchVersion>11</PatchVersion>
     <SdkBandVersion>8.0.100</SdkBandVersion>
     <PackageVersionNet7>7.0.20</PackageVersionNet7>
-    <PackageVersionNet6>6.0.$([MSBuild]::Add($(PatchVersion),25))</PackageVersionNet6>
+    <PackageVersionNet6>6.0.36</PackageVersionNet6>
     <PreReleaseVersionLabel>servicing</PreReleaseVersionLabel>
     <PreReleaseVersionIteration>
     </PreReleaseVersionIteration>