Add FieldType.isRepeatedMessage extension

[alexander-yevsyukov]

This PR adds the FieldType.isRepeatedMessage extension which was previously adopted in Validation.

Also, the PR fixes the version of the Compiler used in the integration tests.

Other notable changes

• config was updated.
• Fixed return type of one-line test functions in FieldTypeSpec.

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[Copilot]

Pull request overview

This PR updates the compiler/tooling versions used across the build (including integration test projects) and adds a small API extension on FieldType to identify repeated-message fields.

Changes:

• Add FieldType.isRepeatedMessage extension and corresponding test coverage.
• Bump Spine Compiler snapshot version and align integration-test build scripts with the updated dependency accessor.
• Update publishing/build tooling (ShadowJar setup, publishing extension naming, dependency forcing, and various dependency/version coordinates).

Reviewed changes

Copilot reviewed 30 out of 31 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
version.gradle.kts	Bumps compilerVersion snapshot used by integration tests.
tests/in-place-consumer/build.gradle.kts	Uses spineCompiler.pluginLib(compilerVersion) and dedupes project dependency declaration.
tests/consumer/build.gradle.kts	Uses spineCompiler.pluginLib(compilerVersion) for buildscript classpath.
tests/compiler-extension/build.gradle.kts	Applies shared compilerVersion and uses it for Compiler plugin classpath.
tests/build.gradle.kts	Updates copyright year.
pom.xml	Updates project and dependency versions (logging/server/toolbase/testlib/core-jvm-plugins/compiler artifacts).
dependencies.md	Regenerated dependency license report for the new snapshot version set.
cli/build.gradle.kts	Switches ShadowJar configuration call from handleMergingServiceFiles() to setup().
buildSrc/src/test/kotlin/io/spine/gradle/publish/SpinePublishingTest.kt	Uses centralized SpinePublishing.extensionName.
buildSrc/src/main/kotlin/kmp-module.gradle.kts	Forces Jackson/Kotlin versions; removes Kotest datatest dependency from common tests.
buildSrc/src/main/kotlin/jvm-module.gradle.kts	Forces Jackson annotations and Kotlin BOM consistently across configurations.
buildSrc/src/main/kotlin/io/spine/gradle/report/license/LicenseReporter.kt	Uses Spine.group / Spine.toolsGroup constants for exclusion list.
buildSrc/src/main/kotlin/io/spine/gradle/publish/SpinePublishing.kt	Centralizes extension name, tweaks artifact group check, and adjusts projectsToPublish() return type/visibility.
buildSrc/src/main/kotlin/io/spine/gradle/publish/ShadowJarExts.kt	Replaces prior service-file merging helper with new ShadowJar.setup() + dedup logic.
buildSrc/src/main/kotlin/io/spine/gradle/publish/PublicationHandler.kt	Adjusts how artifactId is derived to preserve KMP suffixes.
buildSrc/src/main/kotlin/io/spine/gradle/github/pages/UpdateGitHubPages.kt	Removes commented-out TODO block; always registers tasks.
buildSrc/src/main/kotlin/io/spine/dependency/test/Kotest.kt	Refactors Kotest coordinates; keeps deprecated entries with guidance.
buildSrc/src/main/kotlin/io/spine/dependency/local/ToolBase.kt	Bumps ToolBase snapshot version.
buildSrc/src/main/kotlin/io/spine/dependency/local/TestLib.kt	Bumps TestLib snapshot version.
buildSrc/src/main/kotlin/io/spine/dependency/local/ProtoTap.kt	Uses Spine.toolsGroup for group constant.
buildSrc/src/main/kotlin/io/spine/dependency/local/Logging.kt	Bumps logging snapshot version and updates testlib artifact name.
buildSrc/src/main/kotlin/io/spine/dependency/local/CoreJvmCompiler.kt	Bumps Core JVM compiler snapshot version and simplifies plugin lib accessors.
buildSrc/src/main/kotlin/io/spine/dependency/local/CoreJvm.kt	Bumps Core JVM snapshot version and updates testlib artifact IDs.
buildSrc/src/main/kotlin/io/spine/dependency/local/Compiler.kt	Uses Spine.toolsGroup and updates fallback compiler versions.
buildSrc/src/main/kotlin/io/spine/dependency/lib/JetBrainsAnnotations.kt	Adds explicit JetBrains annotations dependency coordinates.
buildSrc/src/main/kotlin/io/spine/dependency/build/Dokka.kt	Uses Spine.toolsGroup for Dokka extension plugin group.
buildSrc/build.gradle.kts	Removes plugin application for license report; bumps Shadow plugin version constant.
build.gradle.kts	Forces JetBrains annotations artifact version in resolution strategy.
api/src/test/kotlin/io/spine/tools/compiler/ast/FieldTypeSpec.kt	Adds test for isRepeatedMessage and reformats several tests for block bodies.
api/src/main/kotlin/io/spine/tools/compiler/ast/FieldTypeExts.kt	Introduces FieldType.isRepeatedMessage extension.

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[Copilot]

Pull request overview

Copilot reviewed 30 out of 31 changed files in this pull request and generated 4 comments.

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