tree-sitter grammar update

tree-sitter-brolang/test/highlight/types.bro

@@ -0,0 +1,21 @@
+Config :: struct {
+# ^^^^^^ type
+  capacity usize = 8
+# ^^^^^^^^ property
+#                ^ operator
+}
+
+work func() void ! (Config | errors.Full) {}
+#    ^^^^ keyword
+#                ^ operator
+#                   ^^^^^^ type
+#                          ^ operator
+
+clear func($K, $V type) void {
+#           ^ variable.parameter
+#               ^ variable.parameter
+#                 ^^^^ type.builtin
+  for 0..entries.len |i| {}
+# ^^^ keyword
+#                    ^ operator
+}