ci: fix sui mainnet installation

scripts/install_sui.sh

@@ -1,12 +1,11 @@
 #!/bin/bash
 ## Install sui binary from latest mainnet release
 echo $PWD
-repo_url="https://api.github.com/repos/MystenLabs/sui/releases/latest"
-latest_tag=$(curl -sSL "$repo_url" | jq -r '.tag_name')
+repo_url="https://api.github.com/repos/MystenLabs/sui/releases"
+latest_tag=$(curl -sSL "$repo_url" | jq -r '.[] | select(.tag_name | contains("mainnet")) | .tag_name' | head -n 1)
 ubuntu_artifact="sui-mainnet-${latest_tag#mainnet-}-ubuntu-x86_64.tgz"
-browser_download_url=$(curl -sSL "$repo_url" | jq -r --arg ua "$ubuntu_artifact" '.assets[] | select(.name == $ua) | .browser_download_url')
+browser_download_url=$(curl -sSL "$repo_url" | jq -r --arg ua "$ubuntu_artifact" '.[] | select(.tag_name == "'$latest_tag'") | .assets[] | select(.name == $ua) | .browser_download_url')
 wget -qO "$ubuntu_artifact" "$browser_download_url"
-
 sudo tar -xzvf "$ubuntu_artifact" -C /usr/local/bin
 rm "$ubuntu_artifact"
-which sui
+which sui