Deps: Bump AWSSDK.S3 from 4.0.18.8 to 4.0.19.1

---
updated-dependencies:
- dependency-name: AWSSDK.S3
  dependency-version: 4.0.19.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

src/SharpSync/SharpSync.csproj

@@ -51,7 +51,7 @@
     <PackageReference Include="SQLitePCLRaw.bundle_e_sqlite3" Version="3.0.2" />
     <PackageReference Include="WebDav.Client" Version="2.9.0" />
     <PackageReference Include="SSH.NET" Version="2025.1.0" />
-    <PackageReference Include="AWSSDK.S3" Version="4.0.18.8" />
+    <PackageReference Include="AWSSDK.S3" Version="4.0.19.1" />
     <PackageReference Include="FluentFTP" Version="53.0.2" />
     <PackageReference Include="Microsoft.CodeAnalysis.Analyzers" Version="5.3.0" PrivateAssets="all" />
     <PackageReference Include="Microsoft.CodeAnalysis.NetAnalyzers" Version="10.0.201" PrivateAssets="all" />