Bump zeebe.version from 8.5.5 to 8.5.7 in /template-tests

Bumps `zeebe.version` from 8.5.5 to 8.5.7.

Updates `io.camunda.connector:spring-boot-starter-camunda-connectors` from 8.5.5 to 8.5.7

Updates `io.camunda.spring:spring-boot-starter-camunda-test` from 8.5.5 to 8.5.7
- [Release notes](https://github.com/camunda-community-hub/spring-zeebe/releases)
- [Commits](camunda-community-hub/spring-zeebe@8.5.5...8.5.7)

Updates `io.camunda.connector:connector-http-json` from 8.5.5 to 8.5.7

---
updated-dependencies:
- dependency-name: io.camunda.connector:spring-boot-starter-camunda-connectors
  dependency-type: direct:development
  update-type: version-update:semver-patch
- dependency-name: io.camunda.spring:spring-boot-starter-camunda-test
  dependency-type: direct:development
  update-type: version-update:semver-patch
- dependency-name: io.camunda.connector:connector-http-json
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

template-tests/pom.xml

@@ -18,7 +18,7 @@
         <version.slf4j>2.0.12</version.slf4j>
         <wiremock.version>3.9.1</wiremock.version>
         <log4j-api.version>2.23.1</log4j-api.version>
-        <zeebe.version>8.5.5</zeebe.version>
+        <zeebe.version>8.5.7</zeebe.version>
         <grpc-api.version>1.62.2</grpc-api.version>
         <spring-boot.version>3.2.5</spring-boot.version>
     </properties>