fix(sql): enforce UTF-8 when loading keyword resources

querydsl-libraries/querydsl-sql/src/main/java/com/querydsl/sql/Keywords.java

@@ -28,7 +28,9 @@ private Keywords() {}
   private static Set<String> readLines(String path) {
     try (var bufferedReader =
         new BufferedReader(
-            new InputStreamReader(Keywords.class.getResourceAsStream("/keywords/" + path))); ) {
+            new InputStreamReader(
+                Keywords.class.getResourceAsStream("/keywords/" + path),
+                java.nio.charset.StandardCharsets.UTF_8)); ) {
       return bufferedReader
           .lines()
           .filter(line -> !line.isEmpty() && !line.startsWith("#"))

querydsl-libraries/querydsl-sql/src/test/java/com/querydsl/sql/KeywordsEncodingTest.java

@@ -0,0 +1,19 @@
+package com.querydsl.sql;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import java.lang.reflect.Method;
+import java.util.Set;
+import org.junit.Test;
+
+public class KeywordsEncodingTest {
+
+    @SuppressWarnings("unchecked")
+    @Test
+    public void readLines_usesUtf8() throws Exception {
+        Method m = Keywords.class.getDeclaredMethod("readLines", String.class);
+        m.setAccessible(true);
+        Set<String> lines = (Set<String>) m.invoke(null, "encoding-test");
+        assertThat(lines).containsExactly("SELECT", "ÄÖÜ");
+    }
+}

querydsl-libraries/querydsl-sql/src/test/resources/keywords/encoding-test

@@ -0,0 +1,2 @@
+SELECT
+ÄÖÜ