ci: Matrix builds now building the project with available JDK instead of using Gradle's toolchain.

Author: nstdio

.github/workflows/build.yaml

@@ -26,6 +26,8 @@ jobs:
           java-version: ${{ matrix.java-version }}
           cache: 'gradle'
       - name: Build
+        env:
+          RSQL_PARSER_GRADLE_USE_TOOLCHAIN: false
         run: ./gradlew build
       - uses: codecov/codecov-action@v5
         if: matrix.java-version == 8

build.gradle.kts

@@ -20,8 +20,12 @@ java {
   withSourcesJar()
   withJavadocJar()
 
-  toolchain {
-    languageVersion.set(JavaLanguageVersion.of(8))
+  val useToolchain = System.getenv("RSQL_PARSER_GRADLE_USE_TOOLCHAIN")?.toBoolean() ?: true
+
+  if (useToolchain) {
+    toolchain {
+      languageVersion.set(JavaLanguageVersion.of(8))
+    }
   }
 }