chore(deps-dev): update mypy requirement from <2,>=1.18.2 to >=1.18.2,<3 (hiero-ledger#2252)

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Author: dependabot[bot]

pyproject.toml

@@ -54,7 +54,7 @@ dev = [
 
 lint = [
     "ruff>=0.14.9,<1",
-    "mypy>=1.18.2,<2",
+    "mypy>=1.18.2,<3",
     "typing-extensions>=4.15.0,<5",
 ]