Includes a fix for CVE-2021-41190 / GHSA-77vh-xpmg-72qh .
- [CI:DOCS] Misc manpage fixups
- Log credentials helper path if available
- Record locations of blobs discovered by PutBlob but not TryReusingBlob
- Fix possible out-of-bounds accesses in string indexing
- Precompute digests option prior to registry upload
- Add simple documentation how to use c/image with podman's rootless mode
- Fix c/image fails to pull OCI image with non-
http(s)://urls - Reject ambiguous manifest formats