feat: add User-Agent header to ecosyste.ms API requests (#118)

Signed-off-by: Andrew Nesbitt <andrewnez@gmail.com>

fix: increase number of retries during Snyk enrichment (#110)

This should eliminate 429 errors

feat: log unexpected status codes in the retryable client (#99)

fix: ecosystems validate external references urls (#97)

* fix: ecosystems validate urls

* fix: rename arg to ref and use url pkg name

fix: upgrade go version to 1.23 in github action (#91)

fix: upgrade goreleaser action (#90)

fix: handle Snyk API rate limit (#86)

Closes #83.

fix: handle comma-separated websites in ecosyste.ms enrichment (#85)

feat: add supplier to SPDX documents (#79)

When enriching with ecosyste.ms, add the supplier of a package
to an SPDX document.

Closes #76.

Co-authored-by: Gary O'Neall <gary@sourceauditor.com>

fix: goreleaser config (#73)