Bump access-modifier.version from 1.30 to 1.31 (#7709)

Bumps `access-modifier.version` from 1.30 to 1.31.

Updates `access-modifier-checker` from 1.30 to 1.31
- [Release notes](https://github.com/jenkinsci/lib-access-modifier/releases)
- [Commits](jenkinsci/lib-access-modifier@access-modifier-1.30...access-modifier-1.31)

Updates `access-modifier-annotation` from 1.30 to 1.31
- [Release notes](https://github.com/jenkinsci/lib-access-modifier/releases)
- [Commits](jenkinsci/lib-access-modifier@access-modifier-1.30...access-modifier-1.31)

---
updated-dependencies:
- dependency-name: org.kohsuke:access-modifier-checker
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.kohsuke:access-modifier-annotation
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

pom.xml

@@ -94,7 +94,7 @@ THE SOFTWARE.
     <spotbugs.effort>Max</spotbugs.effort>
     <spotbugs.threshold>Medium</spotbugs.threshold>
 
-    <access-modifier.version>1.30</access-modifier.version>
+    <access-modifier.version>1.31</access-modifier.version>
     <antlr.version>4.12.0</antlr.version>
     <bridge-method-injector.version>1.25</bridge-method-injector.version>
     <spotless.version>2.35.0</spotless.version>