build(deps): bump de.rub.nds:modifiable-variable from 5.2.0 to 5.3.0

Bumps [de.rub.nds:modifiable-variable](https://github.com/tls-attacker/ModifiableVariable) from 5.2.0 to 5.3.0.
- [Release notes](https://github.com/tls-attacker/ModifiableVariable/releases)
- [Commits](tls-attacker/ModifiableVariable@v5.2.0...v5.3.0)

---
updated-dependencies:
- dependency-name: de.rub.nds:modifiable-variable
  dependency-version: 5.3.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

pom.xml

@@ -75,7 +75,7 @@
         <dependency>
             <groupId>de.rub.nds</groupId>
             <artifactId>modifiable-variable</artifactId>
-            <version>5.2.0</version>
+            <version>5.3.0</version>
         </dependency>
         <dependency>
             <groupId>jakarta.xml.bind</groupId>