v0.5.6

What's Changed

• Improve transaction_by_hash to handle pending tx by @tcoratger in #957
• Small refactoring by @tcoratger in #963
• update build-arg hive commands by @tcoratger in #961
• Use random values in provider tests by @tcoratger in #964
• Small refactoring for rpc_to_primitive_block by @tcoratger in #966
• Some crate updates by @tcoratger in #969
• randomize test_block_by_hash by @tcoratger in #967
• Fix/null blockhash by @Eikix in #975

Full Changelog: v0.5.5...v0.5.6