ZcashFoundation/zebra#5316 ZcashFoundation/zebra#5316 Only run the `lightwalletd` full sync on the `main` branch ZcashFoundation/zebra#5069 ZcashFoundation/zebra#5069 Fix "Connection closed by remote host" error on Google Cloud ssh ZcashFoundation/zebra#5069->ZcashFoundation/zebra#5316 ZcashFoundation/zebra#4412 ZcashFoundation/zebra#4412 Automate pinning CI dependencies to specific commit hashes ZcashFoundation/zebra#5189 ZcashFoundation/zebra#5189 Run some docker tests on smaller instances ZcashFoundation/zebra#5199 ZcashFoundation/zebra#5199 Consider using `nextest` to run tests faster ZcashFoundation/zebra#5199->ZcashFoundation/zebra#5189 ZcashFoundation/zebra#4554 ZcashFoundation/zebra#4554 benchmarks: surface zebrad mainnet sync time in CI