v0.7.0-dev.2: Inter-validator-Set messaging RC2

What's Changed

• build(deps): bump github.com/lib/pq from 1.10.3 to 1.10.4 by @dependabot in #211
• build(e2e): run e2e tests in parallel by @lklimek in #210
• fix(selectpeers): add fallback for less than 5 validators by @lklimek in #209
• Backport the commit b69ac23 from v.34.12 by @shotonoff in #204
• build(deps): bump technote-space/get-diff-action from 5.0.1 to 5.0.2 by @dependabot in #215
• docs(e2e): update e2e doc how to keep validators public keys at full node by @shotonoff in #207
• fix: panic on precommits does not have any +2/3 votes by @lklimek in #217

Full Changelog: v0.7.0-dev.1...v0.7.0-dev.2