Align tab size in liblkqllang to the Truffle one

Do this to avoid error when creating Truffle source section from Langkit
SourceLocation.

Author: HugoGGuerrier

lkql_jit/language/src/main/java/com/adacore/lkql_jit/LKQLLanguage.java

@@ -103,7 +103,14 @@ public final class LKQLLanguage extends TruffleLanguage<LKQLContext> {
     /** A simple constructor for the library loading. */
     public LKQLLanguage() {
         super();
-        this.lkqlAnalysisContext = Liblkqllang.AnalysisContext.create();
+        this.lkqlAnalysisContext = Liblkqllang.AnalysisContext.create(
+            null,
+            null,
+            null,
+            null,
+            true,
+            1
+        );
         // Set the color support flag
         SUPPORT_COLOR = System.getenv("TERM") != null && System.console() != null;
     }

testsuite/tests/miscellaneous/tab_in_source/script.lkql

@@ -0,0 +1,2 @@
+val x = 	42
+print(	x	)

testsuite/tests/miscellaneous/tab_in_source/test.out

@@ -0,0 +1 @@
+42

testsuite/tests/miscellaneous/tab_in_source/test.yaml

@@ -0,0 +1,2 @@
+driver: 'interpreter'
+project: 'default_project/default.gpr'