Bump versions of dependencies

This release does not contain any functional changes. Only the dependencies and the tooling has been updated to the most recent versions.

What's Changed

• Update azure/setup-helm action to v4 by @renovate in #123
• Update plugin com.google.cloud.tools.jib to v3.4.1 by @renovate in #122
• Update gradle/gradle-build-action action to v3 by @renovate in #119
• Update dependency gradle to v8.6 by @renovate in #120
• Update spring boot to v3.2.3 by @renovate in #118
• Update plugin io.spring.dependency-management to v1.1.5 by @renovate in #129
• Update plugin com.google.cloud.tools.jib to v3.4.3 by @renovate in #128
• Update dependency gradle to v8.8 by @renovate in #125
• Update spring boot to v3.3.0 by @renovate in #124
• Update operator-framework and crd-generator by @stefanbethke in #130
• Update dependency org.junit.jupiter:junit-jupiter to v5.10.2 by @renovate in #131

Full Changelog: v1.14.6...v1.15.0