Bump flyway-core from 8.0.0 to 8.5.5

Bumps [flyway-core](https://github.com/flyway/flyway) from 8.0.0 to 8.5.5.
- [Release notes](https://github.com/flyway/flyway/releases)
- [Commits](flyway/flyway@flyway-8.0.0...flyway-8.5.5)

---
updated-dependencies:
- dependency-name: org.flywaydb:flyway-core
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

build.gradle.kts

@@ -53,7 +53,7 @@ dependencies {
 	implementation("org.springframework.boot:spring-boot-starter-web:${springBootVersion}")
 	implementation("org.springframework.boot:spring-boot-starter-actuator:${springBootVersion}")
 	implementation("org.springframework.boot:spring-boot-starter-websocket:${springBootVersion}")
-	implementation("org.flywaydb:flyway-core:8.0.0")
+	implementation("org.flywaydb:flyway-core:8.5.5")
 
 	// Deserialize json
 	implementation("com.fasterxml.jackson.module:jackson-module-kotlin:${jacksonVersion}")