update dependencies

- updated most dependencies to their latest version
- didn't update to the last chalk version since it's in pure ESM
- modified calls to cosmiconfig since it's API changed exposing
  different objects for sync and async calls
- updated ignore to v5, and per the upgrade guide, I enabled relative
  paths manually.

lib/config/config-file.js

@@ -1,7 +1,7 @@
 const path = require('path')
 const fs = require('fs')
 const _ = require('lodash')
-const cosmiconfig = require('cosmiconfig')
+const { cosmiconfigSync } = require('cosmiconfig')
 const { ConfigMissingError } = require('../common/errors')
 const packageJson = require('../../package.json')
 
@@ -51,14 +51,14 @@ const loadConfig = configFile => {
     ]
   }
 
-  const explorer = cosmiconfig(moduleName, cosmiconfigOptions)
+  const explorer = cosmiconfigSync(moduleName, cosmiconfigOptions)
 
   // if a specific path was specified, just load it and ignore default paths
   if (configFile) {
-    return explorer.loadSync(configFile).config
+    return explorer.load(configFile).config
   }
 
-  const searchedFor = explorer.searchSync(appDirectory)
+  const searchedFor = explorer.search(appDirectory)
   if (!searchedFor) {
     throw new ConfigMissingError()
   }

lib/index.js

@@ -59,7 +59,7 @@ function processFile(file, config) {
 }
 
 function processPath(path, config) {
-  const ignoreFilter = ignore().add(config.excludedFiles)
+  const ignoreFilter = ignore({allowRelativePaths: true}).add(config.excludedFiles)
 
   const allFiles = glob.sync(path, {})
   const files = ignoreFilter.filter(allFiles)