queries: Update docker, dot

runtime/queries/dockerfile/highlights.scm

@@ -37,6 +37,15 @@
 
 (double_quoted_string) @string
 
+[
+  (heredoc_marker)
+  (heredoc_end)
+] @label
+
+((heredoc_block
+  (heredoc_line) @string)
+  (#set! "priority" 90))
+
 (expansion
   [
 	"$"
@@ -52,3 +61,6 @@
 	(param)
 	(mount_param)
 ] @constant
+
+(expose_instruction
+  (expose_port) @constant.numeric.integer)

runtime/queries/dot/highlights.scm

@@ -1,3 +1,5 @@
+(identifier) @variable
+
 (keyword) @keyword
 (string_literal) @string
 (number_literal) @constant.numeric
@@ -33,11 +35,9 @@
     (identifier) @constant)
 )
 
-[
-  (comment)
-  (preproc)
-] @comment
+(comment) @comment
+
+(preproc) @keyword.directive
 
 (ERROR) @error
 
-(identifier) @variable