Bump com.google.protobuf:protobuf-java from 4.28.2 to 4.28.3 (#205)

Bumps
[com.google.protobuf:protobuf-java](https://github.com/protocolbuffers/protobuf)
from 4.28.2 to 4.28.3.
<details>
<summary>Commits</summary>
<ul>
<li>See full diff in <a
href="https://github.com/protocolbuffers/protobuf/commits">compare
view</a></li>
</ul>
</details>
<br />


[![Dependabot compatibility
score](https://dependabot-badges.githubapp.com/badges/compatibility_score?dependency-name=com.google.protobuf:protobuf-java&package-manager=gradle&previous-version=4.28.2&new-version=4.28.3)](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores)

Dependabot will resolve any conflicts with this PR as long as you don't
alter it yourself. You can also trigger a rebase manually by commenting
`@dependabot rebase`.

[//]: # (dependabot-automerge-start)
[//]: # (dependabot-automerge-end)

---

<details>
<summary>Dependabot commands and options</summary>
<br />

You can trigger Dependabot actions by commenting on this PR:
- `@dependabot rebase` will rebase this PR
- `@dependabot recreate` will recreate this PR, overwriting any edits
that have been made to it
- `@dependabot merge` will merge this PR after your CI passes on it
- `@dependabot squash and merge` will squash and merge this PR after
your CI passes on it
- `@dependabot cancel merge` will cancel a previously requested merge
and block automerging
- `@dependabot reopen` will reopen this PR if it is closed
- `@dependabot close` will close this PR and stop Dependabot recreating
it. You can achieve the same result by closing it manually
- `@dependabot show <dependency name> ignore conditions` will show all
of the ignore conditions of the specified dependency
- `@dependabot ignore this major version` will close this PR and stop
Dependabot creating any more for this major version (unless you reopen
the PR or upgrade to it yourself)
- `@dependabot ignore this minor version` will close this PR and stop
Dependabot creating any more for this minor version (unless you reopen
the PR or upgrade to it yourself)
- `@dependabot ignore this dependency` will close this PR and stop
Dependabot creating any more for this dependency (unless you reopen the
PR or upgrade to it yourself)


</details>

---------

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Philip K. Warren <[email protected]>

Author: dependabot[bot]

buf.gen.yaml

@@ -1,4 +1,4 @@
 version: v2
 plugins:
-  - remote: buf.build/protocolbuffers/java:v28.2
+  - remote: buf.build/protocolbuffers/java:v28.3
     out: src/main/java

conformance/buf.gen.yaml

@@ -5,5 +5,5 @@ managed:
     - file_option: java_package_prefix
       value: build
 plugins:
-  - remote: buf.build/protocolbuffers/java:v28.2
+  - remote: buf.build/protocolbuffers/java:v28.3
     out: src/main/java