Bump actions/upload-artifact from 3 to 4 (#55)

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 3 to 4.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v3...v4)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/runtime-interface-client_pr.yml

@@ -58,7 +58,7 @@ jobs:
         IS_JAVA_8: true
 
     - name: Save the built jar
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: aws-lambda-java-runtime-interface-client
         path: ./aws-lambda-java-runtime-interface-client/target/aws-lambda-java-runtime-interface-client-*.jar