Bump version.springframework from 5.3.39 to 6.2.8

Bumps `version.springframework` from 5.3.39 to 6.2.8.

Updates `org.springframework:spring-context` from 5.3.39 to 6.2.8
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](spring-projects/spring-framework@v5.3.39...v6.2.8)

Updates `org.springframework:spring-jdbc` from 5.3.39 to 6.2.8
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](spring-projects/spring-framework@v5.3.39...v6.2.8)

Updates `org.springframework:spring-tx` from 5.3.39 to 6.2.8
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](spring-projects/spring-framework@v5.3.39...v6.2.8)

Updates `org.springframework:spring-web` from 5.3.39 to 6.2.8
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](spring-projects/spring-framework@v5.3.39...v6.2.8)

Updates `org.springframework:spring-webmvc` from 5.3.39 to 6.2.8
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](spring-projects/spring-framework@v5.3.39...v6.2.8)

---
updated-dependencies:
- dependency-name: org.springframework:spring-context
  dependency-version: 6.2.8
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: org.springframework:spring-jdbc
  dependency-version: 6.2.8
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: org.springframework:spring-tx
  dependency-version: 6.2.8
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: org.springframework:spring-web
  dependency-version: 6.2.8
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: org.springframework:spring-webmvc
  dependency-version: 6.2.8
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

pom.xml

@@ -1252,7 +1252,7 @@
         <version.spotbugs.maven>4.9.3.0</version.spotbugs.maven>
         <version.spotbugs>4.9.3</version.spotbugs>
         <!-- Spring 6.x requires Java 17 -->
-        <version.springframework>5.3.39</version.springframework>
+        <version.springframework>6.2.8</version.springframework>
         <!-- Tomcat 10 moves from Java EE to Jakarta EE, moving packages javax.* to jakarta.* - code changes likely required to address this change. -->
         <tomcat.major.version>9</tomcat.major.version>
         <version.tomcat>9.0.97</version.tomcat>