rename pretty to prettyPrint

Indicating that the `pretty` option is about pretty printing the new
value.

Author: RobinMalfait

packages/@tailwindcss-upgrade/src/codemods/migrate-theme-to-var.ts

@@ -11,7 +11,7 @@ export function migrateThemeToVar({
     postcssPlugin: '@tailwindcss/upgrade/migrate-theme-to-var',
     OnceExit(root) {
       if (!designSystem) return
-      let convert = createConverter(designSystem, { pretty: true })
+      let convert = createConverter(designSystem, { prettyPrint: true })
 
       root.walkDecls((decl) => {
         let [newValue] = convert(decl.value)

packages/@tailwindcss-upgrade/src/template/codemods/theme-to-var.ts

@@ -80,7 +80,7 @@ export function themeToVar(
   return rawCandidate
 }
 
-export function createConverter(designSystem: DesignSystem, { pretty = false } = {}) {
+export function createConverter(designSystem: DesignSystem, { prettyPrint = false } = {}) {
   function convert(input: string, options = Convert.All): [string, CandidateModifier | null] {
     let ast = ValueParser.parse(input)
 
@@ -212,7 +212,7 @@ export function createConverter(designSystem: DesignSystem, { pretty = false } =
     if (!variable) return null
 
     let modifier =
-      parts.length > 0 ? (pretty ? ` / ${parts.join(' / ')}` : `/${parts.join('/')}`) : ''
+      parts.length > 0 ? (prettyPrint ? ` / ${parts.join(' / ')}` : `/${parts.join('/')}`) : ''
     return fallback ? `theme(${variable}${modifier}, ${fallback})` : `theme(${variable}${modifier})`
   }