fix(deps): update dependency checkstyle to v13 (#375)

* fix(deps): update dependency checkstyle to v13

* use java 21

* use java 21

---------

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Lauri Tulmin <ltulmin@splunk.com>

Author: renovate[bot]

.github/workflows/build-common.yml

@@ -69,7 +69,7 @@ jobs:
         uses: actions/setup-java@f2beeb24e141e01a676f977032f5a29d81c9e27e # v5.1.0
         with:
           distribution: temurin
-          java-version: 17
+          java-version: 21
 
       - uses: gradle/actions/setup-gradle@4d9f0ba0025fe599b4ebab900eb7f3a1d93ef4c2 # v5.0.0
 

.github/workflows/codeql.yml

@@ -31,12 +31,12 @@ jobs:
     steps:
       - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
 
-      - name: Set up Java 17
+      - name: Set up Java 21
         if: matrix.language == 'java'
         uses: actions/setup-java@f2beeb24e141e01a676f977032f5a29d81c9e27e # v5.1.0
         with:
           distribution: temurin
-          java-version: 17
+          java-version: 21
 
       - name: Set up gradle
         if: matrix.language == 'java'

.github/workflows/release.yml

@@ -32,7 +32,7 @@ jobs:
       - uses: actions/setup-java@f2beeb24e141e01a676f977032f5a29d81c9e27e # v5.1.0
         with:
           distribution: temurin
-          java-version: 17
+          java-version: 21
 
       - uses: gradle/actions/setup-gradle@4d9f0ba0025fe599b4ebab900eb7f3a1d93ef4c2 # v5.0.0
 
@@ -175,7 +175,7 @@ jobs:
       - uses: actions/setup-java@f2beeb24e141e01a676f977032f5a29d81c9e27e # v5.1.0
         with:
           distribution: temurin
-          java-version: 17
+          java-version: 21
 
       - name: Setup Gradle
         uses: gradle/actions/setup-gradle@4d9f0ba0025fe599b4ebab900eb7f3a1d93ef4c2 # v5.0.0

CONTRIBUTING.md

@@ -4,7 +4,7 @@ Welcome to the OpenTelemetry Semantic Convention Java repository!
 
 ## Building
 
-Java 17 or higher is required to build the projects in this repository
+Java 21 or higher is required to build the projects in this repository
 (the built artifacts can be used on Java 8 or higher).
 To check your Java version, run:
 

buildSrc/src/main/kotlin/otel.java-conventions.gradle.kts

@@ -15,7 +15,7 @@ val otelJava = extensions.create<OtelJavaExtension>("otelJava")
 
 java {
   toolchain {
-    languageVersion.set(JavaLanguageVersion.of(17))
+    languageVersion.set(JavaLanguageVersion.of(21))
   }
 
   withJavadocJar()
@@ -24,7 +24,7 @@ java {
 
 checkstyle {
   configDirectory.set(file("$rootDir/buildscripts/"))
-  toolVersion = "12.3.1"
+  toolVersion = "13.0.0"
   isIgnoreFailures = false
   configProperties["rootDir"] = rootDir
 }
@@ -37,9 +37,12 @@ tasks {
       release.set(8)
 
       compilerArgs.addAll(
+
         listOf(
           // Fail build on any warning
-          "-Werror"
+          "-Werror",
+          // Suppress warning about java 8 deprecation
+          "-Xlint:-options"
         )
       )