Bump creekVersion from 0.3.3-SNAPSHOT to 0.4.0 (#113)

Bumps `creekVersion` from 0.3.3-SNAPSHOT to 0.4.0.

Updates `org.creekservice:creek-test-hamcrest` from 0.3.3-SNAPSHOT to 0.4.0
- [Release notes](https://github.com/creek-service/creek-test/releases)
- [Commits](https://github.com/creek-service/creek-test/commits/v0.4.0)

Updates `org.creekservice:creek-test-util` from 0.3.3-SNAPSHOT to 0.4.0
- [Release notes](https://github.com/creek-service/creek-test/releases)
- [Commits](https://github.com/creek-service/creek-test/commits/v0.4.0)

Updates `org.creekservice:creek-test-conformity` from 0.3.3-SNAPSHOT to 0.4.0
- [Release notes](https://github.com/creek-service/creek-test/releases)
- [Commits](https://github.com/creek-service/creek-test/commits/v0.4.0)

Updates `org.creekservice:creek-json-schema-generator` from 0.3.3-SNAPSHOT to 0.4.0
- [Release notes](https://github.com/creek-service/creek-json-schema/releases)
- [Commits](https://github.com/creek-service/creek-json-schema/commits/v0.4.0)

---
updated-dependencies:
- dependency-name: org.creekservice:creek-test-hamcrest
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.creekservice:creek-test-util
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.creekservice:creek-test-conformity
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.creekservice:creek-json-schema-generator
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

build.gradle.kts

@@ -33,7 +33,7 @@ allprojects {
     }
 }
 
-val creekVersion = "0.3.3-SNAPSHOT"
+val creekVersion = "0.4.0"
 val guavaVersion = "31.1-jre"               // https://mvnrepository.com/artifact/com.google.guava/guava
 val log4jVersion = "2.20.0"                 // https://mvnrepository.com/artifact/org.apache.logging.log4j/log4j-core
 val junitVersion = "5.9.2"                  // https://mvnrepository.com/artifact/org.junit.jupiter/junit-jupiter-api