Update NEWS & version for 7.0.0 RC2

NEWS

@@ -289,6 +289,9 @@ API changes
     (`NICKLEN`), maximum topic length (`TOPICLEN`), number of targets allowed
     per command (`TARGMAX`), and channel-privilege mappings (`PREFIX`)
   * More information in [the ISUPPORT documentation][docs-isupport]
+* Added `session()` method to `bot.db` [[#1811][]]
+  * `db.connect()` now logs a message when used with a non-SQLite database
+    connected, as raw connection behavior for different DB types varies
 * Added `delete_{nick,channel}_value` methods in `bot.db` [[#1526][]]
 * Added "plugin value" API to `bot.db` [[#1621][]]
   * Functionally identical to "nick" and "channel" values, but in a separate
@@ -571,6 +574,7 @@ API changes
 [#1806]: https://github.com/sopel-irc/sopel/pull/1806
 [#1807]: https://github.com/sopel-irc/sopel/pull/1807
 [#1808]: https://github.com/sopel-irc/sopel/pull/1808
+[#1811]: https://github.com/sopel-irc/sopel/pull/1811
 
 [api-docs]: https://sopel.chat/docs/
 [auth-config-docs]: https://sopel.chat/docs/configure.html#Authentication

setup.cfg

@@ -1,6 +1,6 @@
 [metadata]
 name = sopel
-version = 7.0.0.rc1
+version = 7.0.0.rc2
 description = Simple and extensible IRC bot
 long_description = file: README.rst
 long_description_content_type = text/x-rst