bump htmltools requirement

cpsievert · cpsievert · commit c80ee34c850a · 2021-06-14T12:53:10.000-05:00
diff --git a/DESCRIPTION b/DESCRIPTION
@@ -79,7 +79,7 @@ Imports:
     jsonlite (>= 0.9.16),
     xtable,
     fontawesome (>= 0.2.1),
-    htmltools (>= 0.5.1.9003),
+    htmltools (>= 0.5.1.9006),
     R6 (>= 2.0),
     sourcetools,
     later (>= 1.0.0),
