Bump protobuf-java from 3.21.2 to 3.21.3

Bumps [protobuf-java](https://github.com/protocolbuffers/protobuf) from 3.21.2 to 3.21.3.
<details>
<summary>Commits</summary>
<ul>
<li><a href="https://github.com/protocolbuffers/protobuf/commit/b1eb1260fce7308081822413a0cba77365e7a6ab"><code>b1eb126</code></a> Updating version.json and repo version numbers to: 21.3</li>
<li><a href="https://github.com/protocolbuffers/protobuf/commit/00253761b2d5074cb56719c6e5b5fabcab010ad6"><code>0025376</code></a> Upgrade upb and update CHANGES.txt (<a href="https://github-redirect.dependabot.com/protocolbuffers/protobuf/issues/10286">#10286</a>)</li>
<li><a href="https://github.com/protocolbuffers/protobuf/commit/c8b4ef27a029831c00eaa3625ca8f37af01f847d"><code>c8b4ef2</code></a> [Bazel] Add back a filegroup for :well_known_protos (<a href="https://github-redirect.dependabot.com/protocolbuffers/protobuf/issues/10279">#10279</a>)</li>
<li><a href="https://github.com/protocolbuffers/protobuf/commit/f049e5f02960d3d8b7c4f49f35dca8880636b949"><code>f049e5f</code></a> Update version.json to: 21.3-dev (<a href="https://github-redirect.dependabot.com/protocolbuffers/protobuf/issues/10275">#10275</a>)</li>
<li><a href="https://github.com/protocolbuffers/protobuf/commit/c41512604a59dd8f38de9930f9ce4b9191a43560"><code>c415126</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/protocolbuffers/protobuf/issues/10273">#10273</a> from acozzette/cherrypicks</li>
<li><a href="https://github.com/protocolbuffers/protobuf/commit/d41d498b05576d896b93ba72f1a49e2dea3059dd"><code>d41d498</code></a> Update CHANGES.txt for the 21.3 release</li>
<li><a href="https://github.com/protocolbuffers/protobuf/commit/044c64937a381a94f86a1b9fc8b71291c69fb4db"><code>044c649</code></a> Upgrade upb to include another recent fix</li>
<li><a href="https://github.com/protocolbuffers/protobuf/commit/101b6199f33a396b5758057ca10b8f9c8d8e8855"><code>101b619</code></a> Fix <a href="https://github-redirect.dependabot.com/protocolbuffers/protobuf/issues/9947">#9947</a>: make the ABI identical between debug and non-debug builds</li>
<li><a href="https://github.com/protocolbuffers/protobuf/commit/2404ea48a09a1013f8421f457d6f9a4804486cc6"><code>2404ea4</code></a> Add header search paths to protobuf-c++ spec</li>
<li><a href="https://github.com/protocolbuffers/protobuf/commit/511c61263f4490fd2496cb5fc1449caa718b7754"><code>511c612</code></a> &quot;Fixed&quot; Visual Studio constinit errors both for clang-cl and msvc compilers u...</li>
<li>Additional commits viewable in <a href="https://github.com/protocolbuffers/protobuf/compare/v3.21.2...v3.21.3">compare view</a></li>
</ul>
</details>
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Fixes #1003

COPYBARA_INTEGRATE_REVIEW=#1003 from google:dependabot/maven/com.google.protobuf-protobuf-java-3.21.3 6c79e14
PiperOrigin-RevId: 462619526

pom.xml

@@ -39,7 +39,7 @@
     -->
     <guava.jre.version>31.1-jre</guava.jre.version>
     <gwt.version>2.9.0</gwt.version>
-    <protobuf.version>3.21.2</protobuf.version>
+    <protobuf.version>3.21.3</protobuf.version>
     <!-- Property for protobuf-lite protocArtifact, which isn't a "normal" Maven dep. -->
     <!-- TODO(cpovirk): Use protobuf.version instead. But that requires finding the new way to request the Lite runtime. -->
     <protobuf-lite.protoc.version>3.1.0</protobuf-lite.protoc.version>