Update dependency sinon to ^15.1.2

Author: renovate[bot]

package.json

@@ -78,7 +78,7 @@
     "npm-run-all2": "^6.0.5",
     "pg-promise": "^11.4.3",
     "proxyquire": "^2.1.3",
-    "sinon": "^15.1.0",
+    "sinon": "^15.1.2",
     "sinon-chai": "^3.7.0",
     "supertest": "^6.3.3",
     "type-coverage": "^2.26.0",