feat!: update gradle to 8.5 (#92129)

[skiesewetter-intershop]

• update gradle to 8.5
• using JavaToolChain with Java 17
• replaced calls to deprecated code where possible
• removed scmversion-plugin
• removed detekt-plugin
• now using .github actions
• updated documentation

[github-actions]

Test Results

23 tests  ±0   21 ✅ ±0   1m 58s ⏱️ +5s
 5 suites ±0    2 💤 ±0 
 5 files   ±0    0 ❌ ±0 

Results for commit e030c7a. ± Comparison against base commit 684dbfd.

This pull request removes 20 and adds 20 tests. Note that renamed tests count towards both.

com.intershop.gradle.icm.docker.ICMDockerPluginIntegegrationSpec ‑ buildCustomizationImage [gradleVersion: 8.4, #0]
com.intershop.gradle.icm.docker.ICMDockerPluginIntegegrationSpec ‑ buildImages [gradleVersion: 8.4, #0]
com.intershop.gradle.icm.docker.ICMDockerPluginIntegegrationSpec ‑ pull image from extension with alt image [gradleVersion: 8.4, #0]
com.intershop.gradle.icm.docker.ICMDockerPluginIntegegrationSpec ‑ run solrcloud [gradleVersion: 8.4, #0]
com.intershop.gradle.icm.docker.ICMDockerPluginIntegegrationSpec ‑ run start container [gradleVersion: 8.4, #0]
com.intershop.gradle.icm.docker.ICMDockerTaskIntegrationSpec ‑ test create volumes task [gradleVersion: 8.4, #0]
com.intershop.gradle.icm.docker.ICMDockerTaskIntegrationSpec ‑ test webserver configuration [gradleVersion: 8.4, #0]
com.intershop.gradle.icm.docker.TaskICMGenSpec ‑ mssql file creation (container + icmas) [gradleVersion: 8.4, #0]
com.intershop.gradle.icm.docker.TaskICMGenSpec ‑ mssql file creation (container) [gradleVersion: 8.4, #0]
com.intershop.gradle.icm.docker.TaskICMGenSpec ‑ mssql file creation (external + icmas) [gradleVersion: 8.4, #0]
…

com.intershop.gradle.icm.docker.ICMDockerPluginIntegegrationSpec ‑ buildCustomizationImage [gradleVersion: 8.5, #0]
com.intershop.gradle.icm.docker.ICMDockerPluginIntegegrationSpec ‑ buildImages [gradleVersion: 8.5, #0]
com.intershop.gradle.icm.docker.ICMDockerPluginIntegegrationSpec ‑ pull image from extension with alt image [gradleVersion: 8.5, #0]
com.intershop.gradle.icm.docker.ICMDockerPluginIntegegrationSpec ‑ run solrcloud [gradleVersion: 8.5, #0]
com.intershop.gradle.icm.docker.ICMDockerPluginIntegegrationSpec ‑ run start container [gradleVersion: 8.5, #0]
com.intershop.gradle.icm.docker.ICMDockerTaskIntegrationSpec ‑ test create volumes task [gradleVersion: 8.5, #0]
com.intershop.gradle.icm.docker.ICMDockerTaskIntegrationSpec ‑ test webserver configuration [gradleVersion: 8.5, #0]
com.intershop.gradle.icm.docker.TaskICMGenSpec ‑ mssql file creation (container + icmas) [gradleVersion: 8.5, #0]
com.intershop.gradle.icm.docker.TaskICMGenSpec ‑ mssql file creation (container) [gradleVersion: 8.5, #0]
com.intershop.gradle.icm.docker.TaskICMGenSpec ‑ mssql file creation (external + icmas) [gradleVersion: 8.5, #0]
…

♻️ This comment has been updated with latest results.