Update indexed-gzip requirement from ~=1.6.4 to ~=1.8.7 (PennLINC#1011)

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

pyproject.toml

@@ -19,7 +19,7 @@ dependencies = [
     'importlib_resources; python_version < "3.9"',
     "beautifulsoup4",  # to clean up HTML in DCAN executive summary outputs
     "h5py",  # for DCAN motion file
-    "indexed_gzip ~= 1.6.4",  # for loading imgs in nibabel
+    "indexed_gzip ~= 1.8.7",  # for loading imgs in nibabel
     "jinja2 ~= 3.0.0",  # for executive summary
     "matplotlib ~= 3.4.2",
     "networkx ~= 2.8.8",  # nipype needs networkx, but 3+ isn't compatible with nipype 1.8.5