Bump bucket4j.version from 8.14.0 to 8.15.0

Bumps `bucket4j.version` from 8.14.0 to 8.15.0.

Updates `com.bucket4j:bucket4j_jdk17-core` from 8.14.0 to 8.15.0
- [Release notes](https://github.com/bucket4j/bucket4j/releases)
- [Commits](bucket4j/bucket4j@8.14.0...8.15.0)

Updates `com.bucket4j:bucket4j_jdk17-caffeine` from 8.14.0 to 8.15.0
- [Release notes](https://github.com/bucket4j/bucket4j/releases)
- [Commits](bucket4j/bucket4j@8.14.0...8.15.0)

---
updated-dependencies:
- dependency-name: com.bucket4j:bucket4j_jdk17-core
  dependency-version: 8.15.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: com.bucket4j:bucket4j_jdk17-caffeine
  dependency-version: 8.15.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

pom.xml

@@ -62,7 +62,7 @@
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-		<bucket4j.version>8.14.0</bucket4j.version>
+		<bucket4j.version>8.15.0</bucket4j.version>
 		<blockhound.version>1.0.8.RELEASE</blockhound.version>
 		<java.version>17</java.version>
 		<junit-pioneer.version>2.3.0</junit-pioneer.version>