ENH: Add ConnectedComponentImageFilter test baseline CID blobs

Three new CIDv1-raw blobs (15.4 KiB total) used as updated baselines
for the four `itkConnectedComponentImageFilterTest*` tests modified by
InsightSoftwareConsortium/ITK#5836, which replaces
`std::uniform_int_distribution` in the colormap RNG with an explicit
modulo expression so test output is reproducible across libstdc++ /
libc++ / MSVC.

Blobs:
  bafkreibyjpytxv46k6mkxo3sadppjvs6b5vjqwqcz6u4vkzpp2btmge4fm  6655 B
    ConnectedComponentImageFilterTest.png  (also reused by ...TestRGB)
  bafkreif6vtfmpapapqk5q5xlitj7g72pdihcrrncdf5cwgtnexu36cj6rm  5182 B
    ConnectedComponentImageFilterTest2.png
  bafkreibxbxqmcg73nig3ncv7gt2rqdcj7nfw72r3be4r6l5llmqw4wpwru  3015 B
    ConnectedComponentImageFilterTest3.png

Generated locally on macOS 15 / Apple Clang Release build of ITK with
PR #5836 applied. Workaround for the broken content-link-upload.itk.org
service tracked in
InsightSoftwareConsortium/cmake-w3-externaldata-upload#3.

IPFS pinning could not be performed in this session (no local Kubo
node); pin/replicate from a maintainer's node before merging the
companion ITK PR that updates the .cid content links.

Author: hjmjohnson