Upgrade java and kotlin (#293)

* Upgrade Kotlin/Java

* Github Actions upgrades

Author: peckb1

.github/workflows/build.yml

@@ -12,23 +12,23 @@ jobs:
 
         steps:
           - name: Checkout Main AoC code
-            uses: actions/checkout@v3
+            uses: actions/checkout@v6
 
           - name: Checkout the AoC Input files
-            uses: actions/checkout@v3
+            uses: actions/checkout@v6
             with:
               token: ${{ secrets.AOC_INPUT }}
               repository: peckb1/advent-of-code-input
               path: advent-of-code-input
               ref: main
 
           - name: Bring in the gradle wrapper running the build
-            uses: gradle/wrapper-validation-action@v1
+            uses: gradle/wrapper-validation-action@v3
 
-          - name: Set up JDK 17
-            uses: actions/setup-java@v3
+          - name: Set up JDK 21
+            uses: actions/setup-java@v5
             with:
-              java-version: 17
+              java-version: 21
               distribution: 'temurin'
 
           - name: Grant execute permission for gradlew
@@ -45,7 +45,7 @@ jobs:
 
           - name: Add coverage to PR
             id: jacoco
-            uses: madrapps/jacoco-report@v1.3
+            uses: madrapps/jacoco-report@v1.7.2
             with:
               paths: ${{ github.workspace }}/build/reports/jacoco/test/jacocoTestReport.xml
               token: ${{ secrets.GITHUB_TOKEN }}

build.gradle.kts

@@ -1,17 +1,17 @@
 import org.gradle.api.tasks.testing.logging.TestExceptionFormat.FULL
 
 java {
-    sourceCompatibility = JavaVersion.VERSION_17
-    targetCompatibility = JavaVersion.VERSION_17
+    sourceCompatibility = JavaVersion.VERSION_21
+    targetCompatibility = JavaVersion.VERSION_21
 }
 
 kotlin {
-    jvmToolchain(17)
+    jvmToolchain(21)
 }
 
 plugins {
-    kotlin("jvm") version "1.9.22"
-    id("com.google.devtools.ksp") version "1.9.22-1.0.16"
+    kotlin("jvm") version "2.2.0"
+    id("com.google.devtools.ksp") version "2.2.20-2.0.4"
     application
     jacoco
 }