Bump com.sap.cloud.environment.servicebinding:java-modules-bom (#40)

Bumps the minor-patch group in /ams-spring-boot-shopping with 1 update: [com.sap.cloud.environment.servicebinding:java-modules-bom](https://github.com/SAP/btp-environment-variable-access).


Updates `com.sap.cloud.environment.servicebinding:java-modules-bom` from 0.21.0 to 0.30.0
- [Release notes](https://github.com/SAP/btp-environment-variable-access/releases)
- [Commits](SAP/btp-environment-variable-access@0.21.0...0.30.0)

---
updated-dependencies:
- dependency-name: com.sap.cloud.environment.servicebinding:java-modules-bom
  dependency-version: 0.30.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: minor-patch
...

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ams-spring-boot-shopping/pom.xml

@@ -28,7 +28,7 @@
         <sap.cloud.security.ams.dcl-compiler.version>1.1.1</sap.cloud.security.ams.dcl-compiler.version>
         <sap.cloud.security.version>3.6.9</sap.cloud.security.version>
         <sap.cloud.sdk.version>5.27.0</sap.cloud.sdk.version>
-        <sap.cloud.environment.servicebinding.version>0.21.0</sap.cloud.environment.servicebinding.version>
+        <sap.cloud.environment.servicebinding.version>0.30.0</sap.cloud.environment.servicebinding.version>
         <opencsv.version>5.12.0</opencsv.version>
     </properties>