MINOR: [C#] Bump Google.Protobuf from 3.28.2 to 3.28.3 in /csharp (ap…

…ache#44547)

Bumps [Google.Protobuf](https://github.com/protocolbuffers/protobuf) from 3.28.2 to 3.28.3.
<details>
<summary>Commits</summary>
<ul>
<li><a href="https://github.com/protocolbuffers/protobuf/commit/5fda5abda3dee5f7a102c85860594bff8d8610bd"><code>5fda5ab</code></a> Updating version.json and repo version numbers to: 28.3</li>
<li><a href="https://github.com/protocolbuffers/protobuf/commit/fe30f9a1d14e8f2b85987d4eed5c5594e6cf801f"><code>fe30f9a</code></a> Mute the minor version warning <a href="https://github.com/protocolbuffers/protobuf/is">https://github.com/protocolbuffers/protobuf/is</a>...</li>
<li><a href="https://github.com/protocolbuffers/protobuf/commit/d82fb4710c08b763064c27dee3849af499641ffa"><code>d82fb47</code></a> Populate Kotlin Manifest Files (<a href="https://redirect.github.com/protocolbuffers/protobuf/issues/18859">#18859</a>)</li>
<li><a href="https://github.com/protocolbuffers/protobuf/commit/ce5174aa57e448ff6ca253fb9a56f3cfe502d2c9"><code>ce5174a</code></a> Merge pull request <a href="https://redirect.github.com/protocolbuffers/protobuf/issues/18798">#18798</a> from protocolbuffers/gberg-cp-28</li>
<li><a href="https://github.com/protocolbuffers/protobuf/commit/3b62d78dc70d2b43af5998d427452246279363c7"><code>3b62d78</code></a> Re-export includingDefaultValueFields in deprecated state for important Cloud...</li>
<li><a href="https://github.com/protocolbuffers/protobuf/commit/3ea568a9b6107ebf0d617c476f53a31490fd3182"><code>3ea568a</code></a> cherrypick restoration of mutableCopy helpers</li>
<li><a href="https://github.com/protocolbuffers/protobuf/commit/fe3bb07da84f50234f5d7fe2b5e3eed46712ea4c"><code>fe3bb07</code></a> Merge pull request <a href="https://redirect.github.com/protocolbuffers/protobuf/issues/18616">#18616</a> from deannagarcia/28.x</li>
<li><a href="https://github.com/protocolbuffers/protobuf/commit/664a7e1cd37b6743126411d0af16990b92cde055"><code>664a7e1</code></a> Fix merge conflicts</li>
<li><a href="https://github.com/protocolbuffers/protobuf/commit/63076f55e0af71b0488878f295b395a464ad21e3"><code>63076f5</code></a> Merge pull request <a href="https://redirect.github.com/protocolbuffers/protobuf/issues/18561">#18561</a> from protocolbuffers/28.x_no_vision_tests</li>
<li><a href="https://github.com/protocolbuffers/protobuf/commit/22cd8ba0507488a6d73bea728c3fdf0e2594732f"><code>22cd8ba</code></a> [ObjC] Disabling visionOS on CI.</li>
<li>Additional commits viewable in <a href="https://github.com/protocolbuffers/protobuf/compare/v3.28.2...v3.28.3">compare view</a></li>
</ul>
</details>
<br />

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Authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Signed-off-by: Curt Hagenlocher <curt@hagenlocher.org>

csharp/src/Apache.Arrow.Flight/Apache.Arrow.Flight.csproj

@@ -5,7 +5,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Google.Protobuf" Version="3.28.2" />
+    <PackageReference Include="Google.Protobuf" Version="3.28.3" />
     <PackageReference Include="Grpc.Net.Client" Version="2.65.0" />
     <PackageReference Include="Grpc.Tools" Version="2.67.0" PrivateAssets="All" />
     <PackageReference Include="System.Memory" Version="4.5.5" />

csharp/test/Apache.Arrow.Flight.TestWeb/Apache.Arrow.Flight.TestWeb.csproj

@@ -5,7 +5,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Google.Protobuf" Version="3.28.2" />
+    <PackageReference Include="Google.Protobuf" Version="3.28.3" />
     <PackageReference Include="Grpc.AspNetCore" Version="2.66.0" />
   </ItemGroup>