Fix llapputil test data

Author: Rye

.gitattributes

@@ -27,6 +27,10 @@ indra/tools/vstool/* -text
 *.dll binary
 *.exe binary
 
+# llapputil test data
+*.binary binary
+*.output binary
+
 # Files with Windows line endings
 VivoxAUP.txt text eol=crlf
 FILES_ARE_UNICODE_UTF-16LE.txt text eol=crlf

indra/llappearanceutility/README.md

@@ -17,7 +17,7 @@ Given the constraints with GitHub runners, we instead utilize Behavior-Driven De
 
 1. **Baking Textures**:
     ```sh
-    appearance-utility-bin --agent-id de494a4f-f01a-47a4-98cf-c94ef9ecca38 --texture /viewer/indra/llappearanceutility/tests/texture.llsd > /viewer/indra/llappearanceutility/tests/texture.llsd.output
+    appearance-utility-bin --agent-id de494a4f-f01a-47a4-98cf-c94ef9ecca38 --texture /viewer/indra/llappearanceutility/tests/texture.llsd.binary > /viewer/indra/llappearanceutility/tests/texture.llsd.output
     ```
 
 2. **Generating Bake Parameters**: