fix(types): publish types next to their CJS/ESM source files (#372)

Author: wKovacs64

.changeset/witty-gorillas-cover.md

@@ -0,0 +1,7 @@
+---
+'hibp': patch
+---
+
+Publish types next to their CJS/ESM source files.
+
+For reference, see the following Twitter thread from Andrew Branch: https://mobile.twitter.com/atcb/status/1634653474041503744?t=8RVawwsEHrxnCD8BaITckg