Bump spring-boot-starter-web (#363)

Bumps [spring-boot-starter-web](https://github.com/spring-projects/spring-boot) from 2.6.3 to 2.6.6.
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v2.6.3...v2.6.6)

---
updated-dependencies:
- dependency-name: org.springframework.boot:spring-boot-starter-web
  dependency-type: direct:production
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Paulo Alberto Simoes <paulo.simoes@oracle.com>

Author: dependabot[bot]

workshops/oracleteq-kafka/springboot-kafka/pom.xml

@@ -42,7 +42,7 @@
         <maven.compiler.source>${java.version}</maven.compiler.source>
         <java.version>11</java.version>
         <javax-annotation.version>1.3.2</javax-annotation.version>
-        <spring-boot.version>2.6.3</spring-boot.version>
+        <spring-boot.version>2.6.6</spring-boot.version>
         <spring-core.version>5.3.18</spring-core.version>
         <spring-kafka.version>2.8.2</spring-kafka.version>
         <maven-compiler-plugin.version>3.8.1</maven-compiler-plugin.version>