Bump to v1.7.0 (minor release for Julia compat change)

- Version 1.7.0 (minor bump required for Julia version bound change)
- Remove accidentally added DocumenterTools dependency

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: quinnj

Project.toml

@@ -1,7 +1,7 @@
 name = "SQLite"
 uuid = "0aa819cd-b072-5ff4-a722-6bc24af294d9"
+version = "1.7.0"
 authors = ["Jacob Quinn <quinn.jacobd@gmail.com>", "JuliaData Contributors"]
-version = "1.6.2"
 
 [deps]
 DBInterface = "a10d1c49-ce27-4219-8d33-6db1a4562965"