maintenance: update deployments readme

[smartcontracts]

Description
Updates the deployments README with info about the latest deployments. We really should automate this.

[changeset-bot]

⚠️ No Changeset found

Latest commit: abbe1b9

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

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[codecov-commenter]

Codecov Report

Merging #1681 (abbe1b9) into regenesis/0.5.0 (f19329a) will not change coverage.
The diff coverage is n/a.

@@               Coverage Diff                @@
##           regenesis/0.5.0    #1681   +/-   ##
================================================
  Coverage            72.32%   72.32%           
================================================
  Files                   69       69           
  Lines                 2269     2269           
  Branches               336      336           
================================================
  Hits                  1641     1641           
  Misses                 628      628           

Flag	Coverage Δ
batch-submitter	61.33% <ø> (ø)
contracts	87.96% <ø> (ø)
core-utils	55.65% <ø> (ø)
data-transport-layer	38.23% <ø> (ø)
message-relayer	83.17% <ø> (ø)

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