Merge upstream v0.16.24

Eight conflicted files resolved, plus the lock file and the schema:

- crates/services/src/task_manager/spam_classifier.rs: upstream's rules
  update now replaces existing rules, DNSBL servers, lookups and file
  extensions, keeping only whether each is on. Taken, with one difference:
  an object an admin edited is kept as it is. Every object an update writes
  is fingerprinted (content without `enable`, SHA-256, stored under
  SUBSPACE_INBUXA "Sf"), and only one that still matches is replaced.
  Scores are never replaced, as upstream has it. The AU-1.10 summary record
  now names what was added, replaced and kept, and the bundled rules are
  marked applied only when the update fully succeeded, so a failure runs
  again on the next start. The marker becomes "3.0.2+2", which runs the
  update once on upgrade to fingerprint every rule still as bundled.
- crates/common/src/network/autoconfig/autodiscover.rs: upstream's rewrite
  (implicit TLS first, labeled SSL), with the per-protocol switches (LP-7,
  LP-14a) passed in as a filter.
- crates/store/src/backend/mysql/{search,write}.rs: upstream's chunked
  deletes (no unbounded first DELETE, stop on a short chunk, halve the
  chunk on the new chunk-too-large errors) inside the fork's query timeout.
- crates/smtp/src/lib.rs: the fork's queue spawn kept. It already fixed the
  stall upstream fixes here (a node without outboundMta stops accepting
  mail at about 1024 queued messages), and follows role changes live.
- crates/jmap/src/registry/mapping/bootstrap.rs: the log path stays
  /var/log/inbuxa/; upstream's PowerDNS mapping taken.
- crates/main/Cargo.toml: the AGPL-only license kept, version 0.16.24.
- tests/src/jmap/principal/get.rs: the fork's capabilities kept.
- resources/schema/schema.json.gz: merged as JSON; upstream relabeled the
  vendor Sieve extensions "(Stalwart)", kept as "(vnd.inbuxa)".
- Cargo.lock: upstream's, with the fork's crates added by Cargo.

Also:

- tests/src/smtp/inbound/spam_rules_kept.rs: an edited rule survives an
  update, an unedited one is updated, rules from before fingerprints are
  handled, and the audit summary says so. Upstream's own spam_rules test
  passes unchanged.
- tests/src/smtp/reporting/reschedule.rs moves to port 19058; upstream's
  new spam_rules test took 19057.
- tools/fork/renames.py renames the "(Stalwart)" labels and the default
  log path, so neither conflicts again.
- tools/fork/notice-check.py compares against the newest snapshot in the
  checked-out history instead of the upstream branch head, so moving the
  branch no longer fails other open pull requests.
- tests/src/directory/issuer.rs (since v0.16.23) stays out, and is on the
  build check's known list: it tests issuer-based directory routing, which
  the fork doesn't have (DIR-2).
- Strip report: docs/fork/strip-reports/v0.16.24.{md,json}.

crates/registry/src/schema/enums_impl.rs

@@ -3023,6 +3023,7 @@ impl EnumImpl for DnsServerBootstrapType {
             b"Vultr" => DnsServerBootstrapType::Vultr,
             b"WebSupport" => DnsServerBootstrapType::WebSupport,
             b"YandexCloud" => DnsServerBootstrapType::YandexCloud,
+            b"PowerDns" => DnsServerBootstrapType::PowerDns,
         }
         .copied()
     }
@@ -3100,6 +3101,7 @@ impl EnumImpl for DnsServerBootstrapType {
             DnsServerBootstrapType::Vultr => "Vultr",
             DnsServerBootstrapType::WebSupport => "WebSupport",
             DnsServerBootstrapType::YandexCloud => "YandexCloud",
+            DnsServerBootstrapType::PowerDns => "PowerDns",
         }
     }
 
@@ -3180,11 +3182,12 @@ impl EnumImpl for DnsServerBootstrapType {
             68 => Some(DnsServerBootstrapType::Vultr),
             69 => Some(DnsServerBootstrapType::WebSupport),
             70 => Some(DnsServerBootstrapType::YandexCloud),
+            71 => Some(DnsServerBootstrapType::PowerDns),
             _ => None,
         }
     }
 
-    const COUNT: usize = 71;
+    const COUNT: usize = 72;
 }
 
 impl serde::Serialize for DnsServerBootstrapType {
@@ -3281,6 +3284,7 @@ impl EnumImpl for DnsServerType {
             b"Vultr" => DnsServerType::Vultr,
             b"WebSupport" => DnsServerType::WebSupport,
             b"YandexCloud" => DnsServerType::YandexCloud,
+            b"PowerDns" => DnsServerType::PowerDns,
         }
         .copied()
     }
@@ -3357,6 +3361,7 @@ impl EnumImpl for DnsServerType {
             DnsServerType::Vultr => "Vultr",
             DnsServerType::WebSupport => "WebSupport",
             DnsServerType::YandexCloud => "YandexCloud",
+            DnsServerType::PowerDns => "PowerDns",
         }
     }
 
@@ -3436,11 +3441,12 @@ impl EnumImpl for DnsServerType {
             67 => Some(DnsServerType::Vultr),
             68 => Some(DnsServerType::WebSupport),
             69 => Some(DnsServerType::YandexCloud),
+            70 => Some(DnsServerType::PowerDns),
             _ => None,
         }
     }
 
-    const COUNT: usize = 70;
+    const COUNT: usize = 71;
 }
 
 impl serde::Serialize for DnsServerType {