SLING-6779 - The HTL compiler and Maven Plugin should warn when using potentially invalid options

* added requestAttributes option to the data-sly-resource and data-sly-include known options
diff --git a/src/main/java/org/apache/sling/scripting/sightly/impl/filter/ExpressionContext.java b/src/main/java/org/apache/sling/scripting/sightly/impl/filter/ExpressionContext.java
index 2c3e5fa..8ee720e 100644
--- a/src/main/java/org/apache/sling/scripting/sightly/impl/filter/ExpressionContext.java
+++ b/src/main/java/org/apache/sling/scripting/sightly/impl/filter/ExpressionContext.java
@@ -40,9 +40,9 @@
     PLUGIN_DATA_SLY_SET(Collections.emptySet()),
     PLUGIN_DATA_SLY_LIST(new HashSet<>(Arrays.asList("begin", "step", "end"))),
     PLUGIN_DATA_SLY_REPEAT(new HashSet<>(Arrays.asList("begin", "step", "end"))),
-    PLUGIN_DATA_SLY_INCLUDE(new HashSet<>(Arrays.asList("appendPath", "prependPath", "file"))),
+    PLUGIN_DATA_SLY_INCLUDE(new HashSet<>(Arrays.asList("appendPath", "prependPath", "file", "requestAttributes"))),
     PLUGIN_DATA_SLY_RESOURCE(new HashSet<>(Arrays.asList("appendPath", "prependPath", "file", "selectors", "addSelectors",
-            "removeSelectors", "resourceType"))),
+            "removeSelectors", "resourceType", "requestAttributes"))),
     PLUGIN_DATA_SLY_TEMPLATE(Collections.emptySet()),
     PLUGIN_DATA_SLY_CALL(Collections.emptySet()),
     PLUGIN_DATA_SLY_UNWRAP(Collections.emptySet()),