Bump lowkey-vault.version from 6.0.6 to 7.0.9

Bumps `lowkey-vault.version` from 6.0.6 to 7.0.9.

Updates `com.github.nagyesta.lowkey-vault:lowkey-vault-testcontainers` from 6.0.6 to 7.0.9
- [Release notes](https://github.com/nagyesta/lowkey-vault/releases)
- [Commits](nagyesta/lowkey-vault@v6.0.6...v7.0.9)

Updates `com.github.nagyesta.lowkey-vault:lowkey-vault-client` from 6.0.6 to 7.0.9
- [Release notes](https://github.com/nagyesta/lowkey-vault/releases)
- [Commits](nagyesta/lowkey-vault@v6.0.6...v7.0.9)

---
updated-dependencies:
- dependency-name: com.github.nagyesta.lowkey-vault:lowkey-vault-testcontainers
  dependency-version: 7.0.9
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: com.github.nagyesta.lowkey-vault:lowkey-vault-client
  dependency-version: 7.0.9
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

bom/pom.xml

@@ -32,7 +32,7 @@
         <!-- @sync com.azure:azure-core-http-vertx:${azure.core.http.client.vertx.version} dep:com.azure:azure-core com.azure:azure-sdk-bom:${azure-sdk-bom.version} managedDep:com.azure:azure-core -->
         <azure.core.http.client.vertx.version>1.0.5</azure.core.http.client.vertx.version>
         <assertj-core.version>3.27.6</assertj-core.version>
-        <lowkey-vault.version>6.0.6</lowkey-vault.version>
+        <lowkey-vault.version>7.0.9</lowkey-vault.version>
     </properties>
 
     <dependencyManagement>