Bump spotbugs from 4.7.2 to 4.7.3 (apache#138)

Bumps [spotbugs](https://github.com/spotbugs/spotbugs) from 4.7.2 to 4.7.3.
- [Release notes](https://github.com/spotbugs/spotbugs/releases)
- [Changelog](https://github.com/spotbugs/spotbugs/blob/master/CHANGELOG.md)
- [Commits](spotbugs/spotbugs@4.7.2...4.7.3)

---
updated-dependencies:
- dependency-name: com.github.spotbugs:spotbugs
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]

pom.xml

@@ -217,7 +217,7 @@
     <commons.felix.version>5.1.2</commons.felix.version>
     <biz.aQute.bndlib.version>6.0.0</biz.aQute.bndlib.version>
     <spotbugs.plugin.version>4.7.2.1</spotbugs.plugin.version>
-    <spotbugs.impl.version>4.7.2</spotbugs.impl.version>
+    <spotbugs.impl.version>4.7.3</spotbugs.impl.version>
     <commons.animal-sniffer.version>1.20</commons.animal-sniffer.version>
     <commons.japicmp.version>0.16.0</commons.japicmp.version>
     <commons.junit.version>5.9.1</commons.junit.version>