fix: remove branch restrictions for some workflows

[smartcontracts]

Description
Removes branch restrictions for all testing/linting workflows that still had them so that we're running these when working on any base branch.

Metadata

• Fixes ENG-1541

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⚠️ No Changeset found

Latest commit: ac71b98

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[codecov-commenter]

Codecov Report

Merging #1760 (ac71b98) into develop (68cd04f) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff            @@
##           develop    #1760   +/-   ##
========================================
  Coverage    72.00%   72.00%           
========================================
  Files           70       70           
  Lines         2318     2318           
  Branches       345      345           
========================================
  Hits          1669     1669           
  Misses         649      649           

Flag	Coverage Δ
batch-submitter	62.07% <ø> (ø)
contracts	87.96% <ø> (ø)
core-utils	57.50% <ø> (ø)
data-transport-layer	38.23% <ø> (ø)
message-relayer	70.86% <ø> (ø)

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[optimisticben]

LGTM

[karlfloersch]

LGTM! I haven't removed the branches option before, but this gives me confidence this workflow change should work.