chore: Release next version (#268)

Increment version to v2.1.0 (#226)

Increment version to v2.1.0-beta.2 (#225)

Increment version

Bump middleware version to 2.0.0 (#211)

Update dockerfile geth version

Fix edge case goldToken lookup for epoch rewards at synced head

Bump golang.org/x/net from 0.1.0 to 0.7.0 (#202)

Bumps [golang.org/x/net](https://github.com/golang/net) from 0.1.0 to 0.7.0.
- [Commits](golang/net@v0.1.0...v0.7.0)

---
updated-dependencies:
- dependency-name: golang.org/x/net
  dependency-type: direct:production
...

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Co-authored-by: Paul Lange <palango@users.noreply.github.com>

Remove TobinTax from DB

Remove TobinTax from DB