Rust Plugin Driver 0.1.1

Supports verifying interactions via plugins

• feat: update interface to return mismatch info from verification call
• fix: return failed verification error instead of throwing an exception
• feat: add the pact and integration into the verify call
• feat: interface to verify an interaction via a plugin
• fix: correct the plugin version check when loading plugins
• fix: do not include the plugin version in the test
• chore: use the published version of pact_consumer crate