style: Update operator colors in dark and light rule palettes

src/lib/keywordHighlightPresets.ts

@@ -130,7 +130,7 @@ const DARK_RULE_COLORS = {
   url: "#8be9fd",
   uuid: "#ffb86c",
   string: "#f1fa8c",
-  operator: "#8b949e",
+  operator: "#7ee787",
   version: "#ff9e64",
   size: "#2ac3de",
   duration: "#f1fa8c",
@@ -151,7 +151,7 @@ const LIGHT_RULE_COLORS = {
   url: "#2aa198",
   uuid: "#bc4c00",
   string: "#1a8c8c",
-  operator: "#57606a",
+  operator: "#008573",
   version: "#b04a00",
   size: "#007197",
   duration: "#859900",