Bump spring-boot.version from 2.7.2 to 2.7.3 (#353)

Author: dependabot[bot]

pom.xml

@@ -34,7 +34,7 @@
         <openrewrite.version>7.28.0</openrewrite.version>
         <openrewrite.spring.version>4.23.0</openrewrite.spring.version>
         <rewrite-migrate-java.version>1.9.1</rewrite-migrate-java.version>
-        <spring-boot.version>2.7.2</spring-boot.version>
+        <spring-boot.version>2.7.3</spring-boot.version>
         <progressbar.version>0.9.3</progressbar.version>
         <testcontainers.version>1.17.3</testcontainers.version>
         <maven-invoker.version>3.2.0</maven-invoker.version>