imp(ci): Disable dependabot temporarily (cosmos#35)

Author: MalteHerrmann

.github/dependabot.yml

@@ -8,6 +8,7 @@ This changelog was created using the `clu` binary
 
 ### Improvements
 
+- (ci) [#35](https://github.com/evmos/os/pull/35) Disable dependabot temporarily.
 - (contracts) [#24](https://github.com/evmos/os/pull/24) Add contracts directory and compilation script.
 - (cli) [#23](https://github.com/evmos/os/pull/23) Add client, cmd and version packages.
 - (server) [#22](https://github.com/evmos/os/pull/22) Add server implementation.