Bump com.io7m.darco.version from 1.0.0 to 2.0.0

Bumps `com.io7m.darco.version` from 1.0.0 to 2.0.0.

Updates `com.io7m.darco:com.io7m.darco.api` from 1.0.0 to 2.0.0
- [Changelog](https://github.com/io7m-com/darco/blob/develop/README-CHANGES.xml)
- [Commits](io7m-com/darco@com.io7m.darco-1.0.0...com.io7m.darco-2.0.0)

Updates `com.io7m.darco:com.io7m.darco.sqlite` from 1.0.0 to 2.0.0
- [Changelog](https://github.com/io7m-com/darco/blob/develop/README-CHANGES.xml)
- [Commits](io7m-com/darco@com.io7m.darco-1.0.0...com.io7m.darco-2.0.0)

---
updated-dependencies:
- dependency-name: com.io7m.darco:com.io7m.darco.api
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: com.io7m.darco:com.io7m.darco.sqlite
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

pom.xml

@@ -33,7 +33,7 @@
 
     <!-- io7m dependencies. -->
     <com.io7m.cardant.version>1.0.0-SNAPSHOT</com.io7m.cardant.version>
-    <com.io7m.darco.version>1.0.0</com.io7m.darco.version>
+    <com.io7m.darco.version>2.0.0</com.io7m.darco.version>
     <com.io7m.idstore.version>2.0.1</com.io7m.idstore.version>
     <com.io7m.jade.version>1.0.3</com.io7m.jade.version>
     <com.io7m.jattribute.version>1.0.1</com.io7m.jattribute.version>