fix: update deprecation warning for parachute module removal to v1.15.0

Author: Gui-FernandesBR

rocketpy/rocket/parachute.py

@@ -4,7 +4,7 @@
 ``rocketpy.rocket.parachutes`` subpackage, and the old concrete ``Parachute``
 class became an abstract base with the hemispherical model split out into
 ``HemisphericalParachute``. Importing from this module still works for backward
-compatibility but is deprecated and will be removed in v1.14.0.
+compatibility but is deprecated and will be removed in v1.15.0.
 """
 
 import warnings
@@ -14,7 +14,7 @@ class became an abstract base with the hemispherical model split out into
 
 warnings.warn(
     "Importing from 'rocketpy.rocket.parachute' is deprecated and will be "
-    "removed in v1.14.0. Import from 'rocketpy.rocket.parachutes' instead, "
+    "removed in v1.15.0. Import from 'rocketpy.rocket.parachutes' instead, "
     "e.g. 'from rocketpy.rocket.parachutes import HemisphericalParachute'.",
     DeprecationWarning,
     stacklevel=2,