Merge branch 'feature/opt-out-of-google-floc' into 'develop'

Add opting out of Google FLoC to HTTPSecurityPlug headers

Closes #2630

See merge request pleroma/pleroma!3393

CHANGELOG.md

@@ -9,6 +9,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 ### Changed
 
 - The `application` metadata returned with statuses is no longer hardcoded. Apps that want to display these details will now have valid data for new posts after this change.
+- HTTPSecurityPlug now sends a response header to opt out of Google's FLoC (Federated Learning of Cohorts) targeted advertising.
 
 ### Added
 

lib/pleroma/web/plugs/http_security_plug.ex

@@ -48,7 +48,8 @@ def headers do
       {"x-content-type-options", "nosniff"},
       {"referrer-policy", referrer_policy},
       {"x-download-options", "noopen"},
-      {"content-security-policy", csp_string()}
+      {"content-security-policy", csp_string()},
+      {"permissions-policy", "interest-cohort=()"}
     ]
 
     headers =