Simplify pillow-heif requirement and raise it to 1.0.0

Author: Stormheg

docs/changelog.rst

@@ -6,6 +6,7 @@ Changelog
 
 - Add support for Python 3.14 (Storm Heg)
 - Drop support for Python 3.9 (Storm Heg)
+- The minimum required pillow-heif version is now 1.0.0 (Storm Heg)
 
 1.11.0 (2025-07-16)
 -------------------

pyproject.toml

@@ -33,10 +33,7 @@ dependencies = [
 [project.optional-dependencies]
 pillow = ["Pillow>=11.3.0,<12.0.0"]
 wand = ["Wand>=0.6,<1.0"]
-heif = [
-    "pillow-heif>=0.10.0; python_version < '3.12'",
-    "pillow-heif>=0.13.0; python_version >= '3.12'",
-]
+heif = ["pillow-heif>=1.0.0"]
 
 testing = [
     "willow[pillow,wand,heif]",