Replace colors with chalk due to malicious version of colors

The maintainer of colors has purposely introduced an infinite loop
in the latest version of colors. Therefore we need to ditch this
dependency.

cli-table must also be updated in order to get rid of the colors
dependency entirely. There is a PR:
Automattic/cli-table#166
Or maybe an alternative table lib should be considered as well?

package.json

@@ -34,8 +34,8 @@
     "prepublishOnly": "npm run build"
   },
   "dependencies": {
+    "chalk": "^4.1.2",
     "cli-table": "^0.3.1",
-    "colors": "^1.1.2",
     "yargs": "^17.3.0"
   },
   "devDependencies": {

src/ditched.ts

@@ -3,7 +3,7 @@ import path from "path";
 import fs from "fs";
 import https from "https";
 import CliTable from "cli-table";
-import colors from "colors/safe";
+import chalk from "chalk";
 import yargs from "yargs/yargs";
 import { hideBin } from "yargs/helpers";
 
@@ -76,9 +76,9 @@ function printInfoTable(
 
   const table = new CliTable({
     head: [
-      colors.gray("Package"),
-      colors.gray("Last Modified"),
-      colors.gray("Ditched?"),
+      chalk.gray("Package"),
+      chalk.gray("Last Modified"),
+      chalk.gray("Ditched?"),
     ],
     colWidths: [30, 40, 15],
   });
@@ -96,11 +96,11 @@ function printInfoTable(
         ? formatTimeSince(modifiedDate)
         : "No package info found.";
 
-      let ditchedInfo = colors.red("?");
+      let ditchedInfo = chalk.red("?");
       if (modifiedDate) {
         ditchedInfo = isDitched(packageInfo, ditchDays)
-          ? colors.red("Yes")
-          : colors.green("No");
+          ? chalk.red("Yes")
+          : chalk.green("No");
       }
 
       table.push([name, formattedTime, ditchedInfo]);