chore: bump org.slf4j:slf4j-bom from 2.0.18 to 2.0.19 (a2aproject#1138)

Bumps [org.slf4j:slf4j-bom](https://github.com/qos-ch/slf4j) from 2.0.18 to 2.0.19.
- [Release notes](https://github.com/qos-ch/slf4j/releases)
- [Commits](qos-ch/slf4j@v_2.0.18...v_2.0.19)

---
updated-dependencies:
- dependency-name: org.slf4j:slf4j-bom
  dependency-version: 2.0.19
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

pom.xml

@@ -69,7 +69,7 @@
         <protobuf-maven-plugin.version>5.1.8</protobuf-maven-plugin.version>
         <quarkus.platform.version>3.39.2</quarkus.platform.version>
         <rest-assured.version>6.0.1</rest-assured.version>
-        <slf4j.version>2.0.18</slf4j.version>
+        <slf4j.version>2.0.19</slf4j.version>
         <logback.version>1.5.34</logback.version>
         <version.testcontainers>2.0.5</version.testcontainers>
         <error-prone.version>2.50.0</error-prone.version>