Log Message:
www/guile-haunt: Update to 0.2.5

Changelog (edited from git log):

Version 0.2.5:
Mark modules that call 'load' as non-declarative.
make: Update publish task to use new username.
tests: Fix utils test.
Bump version to 0.2.5
Revert "html: Add support for comments."
html: Add support for comments.
builder: rss: Fix "//" in URI path when there is no blog prefix.
example: Add RSS feed.
builder: blog: Remove (haunt page) import.
builder: rss: Migrate to artifacts.
rss: Made RSS builder more W3-validation compliant
Create a unified type for build artifacts.
utils: Remove leading "/" in join-file-name-components.
site: Add files ending in "~" to the default file filter.
guix: Update to Guile 3.
reader: Follow symlinks in read-posts.
atom: Change date format from ISO-8601 to RFC-3339.
guix: Update module includes to work with newer versions of Guix.
doc: Fix typo in "Builders" section.
atom: Add 'id' attribute to feed and entries.
site: Add scheme field.
configure: Accept Guile 3.0.
reader: html: Add support for multiple top-level elements.
reader: skribe: Add additional HTML 5 tags.