fix: Pin python-hcl2 dependency to 7.2.1 (#20)

Author: jmediald-te

pyproject.toml

@@ -12,7 +12,7 @@ dependencies = [
     "importlib>=1.0.4",
     "jinja2>=3.1.4",
     "packaging>=24.2",
-    "python-hcl2>=7.2.1",
+    "python-hcl2==7.2.1",
     "pyyaml>=6.0.2",
 ]