feat: update to java17

Author: sysnote8main

.github/workflows/build.yml

@@ -15,7 +15,7 @@ concurrency:
 
 jobs:
   build:
-    name: Build with Java 8
+    name: Build with Java 17
     runs-on: ubuntu-latest
     timeout-minutes: 15
 
@@ -24,7 +24,7 @@ jobs:
       - uses: actions/setup-java@dded0888837ed1f317902acf8a20df0ad188d165 # v5.0.0
         with:
           distribution: "adopt"
-          java-version: 8
+          java-version: 17
 
       - name: Setup Gradle
         uses: gradle/actions/setup-gradle@017a9effdb900e5b5b2fddfb590a105619dca3c3 # v4.4.2

.github/workflows/release.yml

@@ -21,7 +21,7 @@ jobs:
       - uses: actions/setup-java@dded0888837ed1f317902acf8a20df0ad188d165 # v5.0.0
         with:
           distribution: "adopt"
-          java-version: 8
+          java-version: 17
 
       - name: Setup Gradle
         uses: gradle/actions/setup-gradle@017a9effdb900e5b5b2fddfb590a105619dca3c3 # v4.4.2
@@ -51,7 +51,7 @@ jobs:
       - uses: actions/setup-java@dded0888837ed1f317902acf8a20df0ad188d165 # v5.0.0
         with:
           distribution: "adopt"
-          java-version: 8
+          java-version: 17
 
       - name: Setup Gradle
         uses: gradle/actions/setup-gradle@017a9effdb900e5b5b2fddfb590a105619dca3c3 # v4.4.2
@@ -80,7 +80,7 @@ jobs:
       - uses: actions/setup-java@dded0888837ed1f317902acf8a20df0ad188d165 # v5.0.0
         with:
           distribution: "adopt"
-          java-version: 8
+          java-version: 17
 
       - name: Setup Gradle
         uses: gradle/actions/setup-gradle@017a9effdb900e5b5b2fddfb590a105619dca3c3 # v4.4.2

build.gradle.kts

@@ -5,7 +5,7 @@ plugins {
     alias(libs.plugins.runPaper)
 }
 
-val targetJavaVersion = 8
+val targetJavaVersion = 17
 version = System.getenv("VERSION") ?: "0.1.0-indev"
 
 // plugin metadata