Bump sqlite3 from 1.6.6 to 1.6.7

Bumps [sqlite3](https://github.com/sparklemotion/sqlite3-ruby) from 1.6.6 to 1.6.7.
- [Release notes](https://github.com/sparklemotion/sqlite3-ruby/releases)
- [Changelog](https://github.com/sparklemotion/sqlite3-ruby/blob/master/CHANGELOG.md)
- [Commits](sparklemotion/sqlite3-ruby@v1.6.6...v1.6.7)

---
updated-dependencies:
- dependency-name: sqlite3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Gemfile.lock

@@ -257,8 +257,8 @@ GEM
       actionpack (>= 5.2)
       activesupport (>= 5.2)
       sprockets (>= 3.0.0)
-    sqlite3 (1.6.6-x86_64-darwin)
-    sqlite3 (1.6.6-x86_64-linux)
+    sqlite3 (1.6.7-x86_64-darwin)
+    sqlite3 (1.6.7-x86_64-linux)
     thor (1.2.2)
     timeout (0.4.0)
     tzinfo (2.0.6)