Merged PR 51798: Updated Version.Details.xml - Revert 8.0.6 system.text.json sha to released v...

Updated Version.Details.xml - Revert 8.0.6 system.text.json sha to released version.

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#### AI description  (iteration 1)
#### PR Classification
Reverting the SHA for the System.Text.Json dependency to restore it to its released value.

#### PR Summary
This pull request updates the SHA for System.Text.Json version 8.0.6 in the dependency file to match the released version.
- `eng/Version.Details.xml` - Changed the SHA value for the System.Text.Json dependency.
<!-- GitOpsUserAgent=GitOps.Apps.Server.pullrequestcopilot -->

Author: vseanreesermsft

eng/Version.Details.xml

@@ -427,7 +427,7 @@
     </Dependency>
     <Dependency Name="System.Text.Json" Version="8.0.6">
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-runtime</Uri>
-      <Sha>653dfdfd75c3e98989361b4154703d13649be4cb</Sha>
+      <Sha>ef853a71052646a42abf17e888ec6d9a69614ad9</Sha>
     </Dependency>
     <Dependency Name="Microsoft.Bcl.AsyncInterfaces" Version="8.0.0">
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-runtime</Uri>