Add resolc to CI

.github/workflows/test.yml

@@ -99,9 +99,12 @@ jobs:
       - name: Install Geth on Ubuntu
         if: matrix.os == 'ubuntu-24.04'
         run: |
+          sudo add-apt-repository -y ppa:ethereum/ethereum
           sudo apt-get update
           sudo apt-get install -y protobuf-compiler
 
+          sudo apt-get install -y solc
+
           # We were facing some issues in CI with the 1.16.* versions of geth, and specifically on
           # Ubuntu. Eventually, we found out that the last version of geth that worked in our CI was
           # version 1.15.11. Thus, this is the version that we want to use in CI. The PPA sadly does
@@ -132,6 +135,8 @@ jobs:
           brew tap ethereum/ethereum
           brew install ethereum protobuf
 
+          brew install solidity
+
           curl -sL https://github.com/paritytech/revive/releases/download/v0.3.0/resolc-universal-apple-darwin -o resolc
           chmod +x resolc
           sudo mv resolc /usr/local/bin