chore: fix htmltest

Signed-off-by: Carlos Alexandro Becker <caarlos0@users.noreply.github.com>

Author: caarlos0

www/htmltest.yml

@@ -15,6 +15,7 @@ IgnoreURLs:
   - "https://github.com/goreleaser/nfpm/edit/main/www/content"
   - "https://github.com/goreleaser/nfpm/releases"
   - "https://becker.software/nfpm.png"
+  - "https://opencollective.com/"
 IgnoreAltMissing: true
 IgnoreInternalEmptyHash: true
 LogLevel: 2