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/misc.rs

@@ -23,6 +23,13 @@ pub(crate) fn fn_is_number(v: Vec<Variable>) -> Variable {
     matches!(&v[0], Variable::Integer(_) | Variable::Float(_)).into()
 }
 
+pub(crate) fn fn_bit_and(v: Vec<Variable>) -> Variable {
+    match (v[0].to_integer(), v[1].to_integer()) {
+        (Some(lhs), Some(rhs)) => Variable::Integer(lhs & rhs),
+        _ => Variable::Integer(0),
+    }
+}
+
 pub(crate) fn fn_is_ip_addr(v: Vec<Variable>) -> Variable {
     v[0].to_string()
         .as_str()