Bump spring.version from 6.0.11 to 6.1.2

Bumps `spring.version` from 6.0.11 to 6.1.2.

Updates `org.springframework:spring-tx` from 6.0.11 to 6.1.2
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](spring-projects/spring-framework@v6.0.11...v6.1.2)

Updates `org.springframework:spring-jdbc` from 6.0.11 to 6.1.2
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](spring-projects/spring-framework@v6.0.11...v6.1.2)

Updates `org.springframework:spring-context` from 6.0.11 to 6.1.2
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](spring-projects/spring-framework@v6.0.11...v6.1.2)

---
updated-dependencies:
- dependency-name: org.springframework:spring-tx
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.springframework:spring-jdbc
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.springframework:spring-context
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

transactionoutbox-spring/pom.xml

@@ -14,7 +14,7 @@
     <maven.compiler.source>17</maven.compiler.source>
     <maven.compiler.target>17</maven.compiler.target>
     <spring.boot.version>3.1.4</spring.boot.version>
-    <spring.version>6.0.11</spring.version>
+    <spring.version>6.1.2</spring.version>
   </properties>
   <dependencies>
     <!-- Runtime -->