[CALCITE-6141] Add jdk8.checkstyle property, use jdk8.checkstyle in case of java 8

Author: snuyanzin

.github/workflows/main.yml

@@ -58,7 +58,7 @@ jobs:
           fetch-depth: 50
       - name: 'Test'
         run: |
-          ./gradlew --no-parallel --no-daemon tasks build javadoc -Pcheckstyle.version=9.3
+          ./gradlew --no-parallel --no-daemon tasks build javadoc
 
   linux-jdk8-avatica:
     name: 'Linux (JDK 8), Avatica main'
@@ -74,7 +74,7 @@ jobs:
         fetch-depth: 50
     - name: 'Install Avatica to Maven Local'
       run: |
-        ./gradlew publishToMavenLocal -Pcalcite.avatica.version=1.0.0-dev-main -PskipJavadoc -Pcheckstyle.version=9.3
+        ./gradlew publishToMavenLocal -Pcalcite.avatica.version=1.0.0-dev-main -PskipJavadoc
     - name: 'Test Calcite'
       run: |
         git clone --depth 100 https://github.com/apache/calcite.git ../calcite

build.gradle.kts

@@ -209,7 +209,9 @@ allprojects {
     if (!skipCheckstyle) {
         apply<CheckstylePlugin>()
         dependencies {
-            checkstyle("com.puppycrawl.tools:checkstyle:${"checkstyle".v}")
+            val checkstyleVersion = if (JavaVersion.current() == JavaVersion.VERSION_1_8)
+                "jdk8.checkstyle".v else "checkstyle".v
+            checkstyle("com.puppycrawl.tools:checkstyle:$checkstyleVersion")
         }
         checkstyle {
             // Current one is ~8.8

gradle.properties

@@ -51,6 +51,7 @@ org.owasp.dependencycheck.version=5.2.2
 # Tools
 checkerframework.version=3.10.0
 checkstyle.version=10.3.2
+jdk8.checkstyle.version=9.3
 spotbugs.version=3.1.11
 
 asm.version=7.1