Bump org.spockframework:spock-core from 1.3-groovy-2.5 to 2.3-groovy-4.0

Bumps org.spockframework:spock-core from 1.3-groovy-2.5 to 2.3-groovy-4.0.

---
updated-dependencies:
- dependency-name: org.spockframework:spock-core
  dependency-version: 2.3-groovy-4.0
  dependency-type: direct:development
...

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

Author: dependabot[bot]

pom.xml

@@ -26,7 +26,7 @@
         <maven-compiler-plugin.version>3.1</maven-compiler-plugin.version>
         <groovy.version>2.5.7</groovy.version>
         <httpclient.version>4.5.14</httpclient.version>
-        <spock-core.version>1.3-groovy-2.5</spock-core.version>
+        <spock-core.version>2.3-groovy-4.0</spock-core.version>
         <commons-lang3.version>3.19.0</commons-lang3.version>
         <slf4j-api.version>1.7.30</slf4j-api.version>
         <logback.version>1.5.19</logback.version>