Update dependency gmpy2-stubs to v2.2.1.5 (#72)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

pyproject.toml

@@ -55,7 +55,7 @@ dev = [
   "types-requests",
   "types-setuptools",
   "msgpack-types >= 0.5.0",
-  "gmpy2-stubs ==2.2.1.3",
+  "gmpy2-stubs ==2.2.1.5",
   "pytest >= 8.3.0",
   "pytest-cov >= 5.0.0",
   "pytest-benchmark >= 4.0.0",
@@ -103,7 +103,7 @@ bandit = ">=1.8.1"
 types-requests = "*"
 types-setuptools = "*"
 msgpack-types = "==0.5.0"
-gmpy2-stubs = "==2.2.1.3"
+gmpy2-stubs = "==2.2.1.5"
 # Test dependencies are also included here for the full dev environment
 pytest = ">=8.3.0"
 pytest-cov = ">=5.0.0"