maintain-harbor: bump to 0.0.20-20250403032838-697134e5
From 0.0.20-20250310171918-609fd0a4 To 0.0.20-20250403032838-697134e5 See https://gitlab.wikimedia.org/repos/cloud/toolforge/maintain-harbor/-/releases
Signed-off-by: Raymond Ndibe rolisaemeka-ctr@wikimedia.org