[release/8.x] Bump AWSSDK.S3 from 4.0.20.2 to 4.0.20.4 (#9203)

---
updated-dependencies:
- dependency-name: AWSSDK.S3
  dependency-version: 4.0.20.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

eng/dependabot/independent/Versions.props

@@ -15,7 +15,7 @@
     <NewtonsoftJsonVersion>13.0.4</NewtonsoftJsonVersion>
     <NJsonSchemaVersion>11.5.2</NJsonSchemaVersion>
     <SwashbuckleAspNetCoreVersion>10.1.7</SwashbuckleAspNetCoreVersion>
-    <AwsSdkS3Version>4.0.20.2</AwsSdkS3Version>
+    <AwsSdkS3Version>4.0.20.4</AwsSdkS3Version>
     <AwsSdkSecurityTokenVersion>4.0.5.17</AwsSdkSecurityTokenVersion>
 
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