Merged PR 42941: [internal/release/8.0.4xx] Updated Version.Details.xml - downgrade EventLog to rtm

Updated Version.Details.xml - downgrade EventLog to rtm

Cherry-picked from commit `48ef5a7c`.

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#### AI description  (iteration 1)
#### PR Classification
Dependency version update.

#### PR Summary
This pull request downgrades the `System.Diagnostics.EventLog` dependency to version 8.0.0 in preparation for the 8.0.4xx release.
- Updated `System.Diagnostics.EventLog` version from 8.0.1 to 8.0.0 in `/eng/Version.Details.xml`
- Adjusted the corresponding SHA to match the downgraded version.

Author: vseanreesermsft

eng/Version.Details.xml

@@ -212,9 +212,9 @@
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-runtime</Uri>
       <Sha>5535e31a712343a63f5d7d796cd874e563e5ac14</Sha>
     </Dependency>
-    <Dependency Name="System.Diagnostics.EventLog" Version="8.0.1">
+    <Dependency Name="System.Diagnostics.EventLog" Version="8.0.0">
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-runtime</Uri>
-      <Sha>7dc1560dfb4ff946388512ef439fcb44f294b32a</Sha>
+      <Sha>5535e31a712343a63f5d7d796cd874e563e5ac14</Sha>
     </Dependency>
     <Dependency Name="System.Security.Cryptography.ProtectedData" Version="8.0.0">
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-runtime</Uri>

eng/Versions.props

@@ -73,7 +73,7 @@
     <SystemCompositionHostingPackageVersion>8.0.0</SystemCompositionHostingPackageVersion>
     <SystemCompositionRuntimePackageVersion>8.0.0</SystemCompositionRuntimePackageVersion>
     <SystemCompositionTypedPartsPackageVersion>8.0.0</SystemCompositionTypedPartsPackageVersion>
-    <SystemDiagnosticsEventLogPackageVersion>8.0.1</SystemDiagnosticsEventLogPackageVersion>
+    <SystemDiagnosticsEventLogPackageVersion>8.0.0</SystemDiagnosticsEventLogPackageVersion>
     <SystemConfigurationConfigurationManagerPackageVersion>8.0.1</SystemConfigurationConfigurationManagerPackageVersion>
     <SystemDrawingCommonPackageVersion>8.0.7</SystemDrawingCommonPackageVersion>
     <SystemSecurityCryptographyPkcsPackageVersion>8.0.1</SystemSecurityCryptographyPkcsPackageVersion>