Update niworkflows requirement from ~=1.12.0 to ~=1.13.0 (#496)

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

pyproject.toml

@@ -27,7 +27,7 @@ dependencies = [
     "nilearn ~= 0.11.0",
     "nipype >= 1.8.5",
     "nitransforms >= 21.0.0",
-    "niworkflows ~= 1.12.0",
+    "niworkflows ~= 1.13.0",
     "numpy >= 1.26",
     "packaging",
     "pandas",