chore: Optimize the smart contracts CI workflow

[alainncls]

What does this PR do?

Related ticket

Fixes #

Type of change

• Chore
• Bug fix
• New feature
• Documentation update

Check list

• Unit tests for any smart contract change
• Contracts and functions are documented

[codecov-commenter]

Codecov Report

Merging #240 (c7d9067) into dev (a5e9078) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##              dev     #240   +/-   ##
=======================================
  Coverage   95.26%   95.26%           
=======================================
  Files          11       11           
  Lines         169      169           
  Branches       38       38           
=======================================
  Hits          161      161           
  Misses          6        6           
  Partials        2        2           

Files	Coverage Δ
contracts/src/AttestationRegistry.sol	97.77% <ø> (ø)
contracts/src/ModuleRegistry.sol	95.23% <ø> (ø)
contracts/src/PortalRegistry.sol	95.83% <ø> (ø)
contracts/src/Router.sol	92.30% <ø> (ø)
contracts/src/SchemaRegistry.sol	94.44% <ø> (ø)
contracts/src/example/EASPortal.sol	92.30% <ø> (ø)
contracts/src/example/MsgSenderModule.sol	100.00% <ø> (ø)
contracts/src/example/NFTPortal.sol	88.88% <ø> (ø)
contracts/src/example/PayableModule.sol	100.00% <ø> (ø)
contracts/src/interface/AbstractModule.sol	100.00% <ø> (ø)
... and 1 more

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[alainncls]

Covered in #239