build(deps): bump spring-boot-starter-web in /samples/spring-framework (#867)

Bumps [spring-boot-starter-web](https://github.com/spring-projects/spring-boot) from 2.6.5 to 2.6.6.
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v2.6.5...v2.6.6)

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

Signed-off-by: dependabot[bot] <[email protected]>

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

Author: dependabot[bot]

vision/spring-framework/pom.xml

@@ -19,7 +19,7 @@ limitations under the License.
   <properties>
     <maven.compiler.target>1.8</maven.compiler.target>
     <maven.compiler.source>1.8</maven.compiler.source>
-    <spring.version>2.6.5</spring.version>
+    <spring.version>2.6.6</spring.version>
   </properties>
 
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