chore(deps): Update minimum dependencies

Author: effigies

pyproject.toml

@@ -22,8 +22,8 @@ requires-python = ">= 3.9"
 dependencies = [
     "numpy ~= 1.21",
     "scipy >= 1.6.0",
-    "nibabel >= 3.0",
-    "h5py",
+    "nibabel >= 4.0",
+    "h5py >= 3.0",
 ]
 dynamic = ["version"]
 
@@ -33,13 +33,13 @@ Manuscript = "https://doi.org/10.31219/osf.io/8aq7b"
 NiBabel = "https://github.com/nipy/nibabel/pull/656"
 
 [project.optional-dependencies]
-niftiext = ["lxml"]
+niftiext = ["lxml >= 4.6"]
 test = [
     "pytest >= 6",
-    "pytest-cov",
+    "pytest-cov >= 2.11",
     "pytest-env",
-    "pytest-xdist",
-    "codecov",
+    "pytest-xdist >= 2.5",
+    "coverage[toml] >= 5.2.1",
     "nitransforms[niftiext]",
 ]
 # Aliases