resolve problems from deps upgrade

- downgrade reqwest to 0.11.27
  - fixes problems with missmatched transitive dependencies between it and warp, mainly http
- replace deprecated ripemd160 with ripemd (as specified in the formers readme)
- indexmap: replace deprecated remove with functionally identical swap_remove

src/repl_helper.rs

@@ -93,8 +93,8 @@ impl Highlighter for Helper {
         self.highligher.highlight(line, pos)
     }
 
-    fn highlight_char(&self, line: &str, pos: usize) -> bool {
-        self.highligher.highlight_char(line, pos)
+    fn highlight_char(&self, line: &str, pos: usize, forced: bool) -> bool {
+        self.highligher.highlight_char(line, pos, forced)
     }
 }