Bump org.springframework:spring-context

Bumps [org.springframework:spring-context](https://github.com/SpringSource/spring-framework) from 3.1.4.RELEASE to 3.2.18.RELEASE.
- [Release notes](https://github.com/SpringSource/spring-framework/releases)
- [Commits](spring-projects/spring-framework@v3.1.4.RELEASE...v3.2.18.RELEASE)

---
updated-dependencies:
- dependency-name: org.springframework:spring-context
  dependency-version: 3.2.18.RELEASE
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

pom.xml

@@ -348,7 +348,7 @@
         <spec.xjc.version>2.3.2_2</spec.xjc.version>
 
         <spring.osgi.version>1.2.1</spring.osgi.version>
-        <spring31.version>3.1.4.RELEASE</spring31.version>
+        <spring31.version>3.2.18.RELEASE</spring31.version>
         <spring43.version>4.3.30.RELEASE_1</spring43.version>
         <spring52.version>5.2.25.RELEASE_1</spring52.version>
         <spring53.version>5.3.39_2</spring53.version>