[build] Update source compatibility to Java 17 (#206)

Author: spacey-sooty

.github/workflows/main.yml

@@ -12,8 +12,8 @@ jobs:
     - uses: actions/checkout@v4
     - uses: actions/setup-java@v4
       with:
-        java-version: 11
-        distribution: 'zulu'
+        java-version: 17
+        distribution: 'temurin'
     - name: Build
       run: ./gradlew build -PRunToolchainTests
     - name: Publish
@@ -40,8 +40,8 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-java@v4
         with:
-          java-version: 11
-          distribution: 'zulu'
+          java-version: 17
+          distribution: 'temurin'
       - name: Publish
         if: ${{ !startsWith(github.ref, 'refs/tags/v') }}
         run: ./gradlew publishToMavenLocal

ToolchainPlugin/build.gradle

@@ -37,8 +37,8 @@ base {
 }
 
 java {
-    sourceCompatibility = 11
-    targetCompatibility = 11
+    sourceCompatibility = 17
+    targetCompatibility = 17
 }
 
 if (project.hasProperty('RunToolchainTests')) {

build.gradle

@@ -7,8 +7,8 @@ plugins {
 }
 
 java {
-    sourceCompatibility = 11
-    targetCompatibility = 11
+    sourceCompatibility = 17
+    targetCompatibility = 17
 }
 
 allprojects {