Import upstream v0.16.22, stripped

Upstream commit: 474dd0229cb20cf513036619781ed97bd8073c3f
Enterprise-only files removed or emptied: 63
Enterprise-only snippets removed: 117 in 50 files
Dangling module declarations removed: 5
Cargo edits turning enterprise off: 14
Verification: clean
Enterprise feature gates left for rebuilt features: 19 in 18 files

Produced by tools/fork/strip.py. The full report is in docs/fork/strip-reports/ on main.

crates/dav-proto/resources/requests/propfind-007.xml

@@ -0,0 +1,10 @@
+<d:propfind xmlns:d="DAV:" xmlns:apple="http://apple.com/ns/ical/" xmlns:cs="http://calendarserver.org/ns/" xmlns:cal="urn:ietf:params:xml:ns:caldav">
+  <d:prop>
+    <d:current-user-privilege-set/>
+    <d:resourcetype />
+    <d:displayname />
+    <apple:calendar-color/>
+    <cs:source/>
+    <cal:supported-calendar-component-set/>
+  </d:prop>
+</d:propfind>