require pandas >=2.2 (#452)

* fix #413
* require pandas >=2.2
* Update CHANGES
* Update test_env.yaml
* Update environment.yml

Author: xiki-tempula

CHANGES

@@ -12,6 +12,7 @@ The rules for this file:
   * accompany each entry with github issue/PR number (Issue #xyz)
   * release numbers follow "Semantic Versioning" https://semver.org
 
+
 ??/??/2026 jaclark5, jhenin, xiki-tempula
 
   * 2.6.0
@@ -20,6 +21,7 @@ Fixes
   - Fix pandas warning (Issue #428, PR #429)
 
 Enhancements
+  - Update pandas>=2.2 (Issue #413, PR #452)
   - Add flag to ignore NAMD's equilibration in NAMD parser
   - Accept NAMD data with 0 equilibration steps
   - Add support for LAMMPS FEP files (Issue #349, PR #348)

devtools/conda-envs/test_env.yaml

@@ -4,7 +4,7 @@ channels:
 dependencies:
 - python
 - numpy!=2.3.0,!=2.3.1,!=2.3.2
-- pandas>=2.1
+- pandas>=2.2
 - pymbar>=4
 - scipy
 - scikit-learn

environment.yml

@@ -4,7 +4,7 @@ channels:
 dependencies:
 - python
 - numpy
-- pandas>=2.1
+- pandas>=2.2
 - pymbar>=4
 - scipy
 - scikit-learn

pyproject.toml

@@ -43,7 +43,7 @@ requires-python = ">=3.11"
 
 dependencies = [
 	     "numpy!=2.3.0,!=2.3.1,!=2.3.2",
-	     "pandas>=2.1",
+	     "pandas>=2.2",
 	     "pymbar>=4",
 	     "scipy",
 	     "scikit-learn",