web: fix compile errors and critical runtime errors

packages/web/src/http/Header.zig

@@ -299,6 +299,7 @@ pub const Name = union(enum) {
 
         /// Maps **lowercased** header names to enum values.
         pub const map: std.StaticStringMap(Known) = blk: {
+            @setEvalBranchQuota(20000);
             const fields = @typeInfo(Known).@"enum".fields;
 
             var kvs_list: [fields.len]struct { []const u8, Known } = undefined;