Update dependency lcobucci/clock to v3

Author: renovate[bot]

composer.json

@@ -12,7 +12,7 @@
         "beberlei/assert": "^3.2",
         "bentools/iterable-functions": "^2.0",
         "jms/serializer": "^3.2",
-        "lcobucci/clock": "^2.0",
+        "lcobucci/clock": "^3.0",
         "psr/http-client": "^1.0",
         "psr/http-factory": "^1.0",
         "psr/http-message": "^1.0.1",