Bump pact_broker-client from 1.76.2 to 1.77.0

Bumps [pact_broker-client](https://github.com/pact-foundation/pact_broker-client) from 1.76.2 to 1.77.0.
- [Release notes](https://github.com/pact-foundation/pact_broker-client/releases)
- [Changelog](https://github.com/pact-foundation/pact_broker-client/blob/master/CHANGELOG.md)
- [Commits](pact-foundation/pact_broker-client@v1.76.2...v1.77.0)

---
updated-dependencies:
- dependency-name: pact_broker-client
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Gemfile.lock

@@ -551,7 +551,7 @@ GEM
       diff-lcs (~> 1.5)
       expgen (~> 0.1)
       rainbow (~> 3.1.1)
-    pact_broker-client (1.76.2)
+    pact_broker-client (1.77.0)
       base64 (~> 0.2)
       dig_rb (~> 1.0)
       httparty (>= 0.21.0, < 1.0.0)