b64url to base64

[id-87]

Overview

This PR replaces the existing b64url dependency with a fixed version that resolves compilation issues on modern macOS systems with newer compilers. The previous version was causing build failures in couch_quickjs and related modules due to missing or incompatible headers. With this change, the CouchDB project should compile successfully on macOS with Homebrew-installed dependencies.

Testing recommendations

• Run make release after cleaning the build (make distclean) to ensure the project compiles successfully.
• Start CouchDB (rel/couchdb/bin/couchdb) and check that all services, especially those relying on the QuickJS integration, start without errors.
• Optionally, run the test suite (make tests) to verify no regressions were introduced.

Related Issues or Pull Requests

• N/A (no prior PR addressing this fix)
• Related to macOS build issues reported in community discussions about couch_quickjs compilation failures.

Checklist

• Code is written and works correctly
• Changes are covered by tests
• Any new configurable parameters are documented in rel/overlay/etc/default.ini
• Documentation changes were made in the src/docs folder
• Documentation changes were backported (separated PR) to affected branches

[nickva]

Bookmark = jiffy:decode(base64:decode_url(PackedBookmark), [return_maps]),

Just curious, was this AI generated? There is no decode_url function in base64 module?

[1] https://www.erlang.org/doc/apps/stdlib/base64.html

[big-r81]

It really feels like AI generated, we should close this!

[rnewson]

Closing as clearly the developer never ran this code, assuming they even wrote it themselves.