Import upstream v0.16.23, stripped

Upstream commit: 9d1c75ab68435e4417337f768291e5f947686203
Enterprise-only files removed or emptied: 63
Enterprise-only snippets removed: 118 in 50 files
Dangling module declarations removed: 5
Edits turning enterprise off: 25
Third-party code: 14 files, 0 not in THIRD-PARTY.md
Verification: clean

One snippet more than v0.16.22, in crates/common/src/auth/authentication.rs
(3, was 2).

crates/common/src/expr/functions/mod.rs

@@ -46,6 +46,7 @@ pub(crate) const FUNCTIONS: &[(&str, fn(Vec<Variable>) -> Variable, u32)] = &[
     ("email_part", email::fn_email_part, 2),
     ("is_empty", misc::fn_is_empty, 1),
     ("is_number", misc::fn_is_number, 1),
+    ("bit_and", misc::fn_bit_and, 2),
     ("is_ip_addr", misc::fn_is_ip_addr, 1),
     ("is_ipv4_addr", misc::fn_is_ipv4_addr, 1),
     ("is_ipv6_addr", misc::fn_is_ipv6_addr, 1),