Enable SQLite column metadata

Build Unix SQLite with SQLITE_ENABLE_COLUMN_METADATA so the metadata APIs are available on macOS and Linux.

Remove the pdo_sqlite configure override that forced PHP to treat sqlite3_column_table_name() as unavailable, and add sanity checks for both SQLite compile options and PDO column metadata.

src/Package/Library/sqlite.php

@@ -19,7 +19,12 @@ class sqlite
     #[BuildFor('Linux')]
     public function buildUnix(LibraryPackage $lib): void
     {
-        UnixAutoconfExecutor::create($lib)->configure()->make();
+        UnixAutoconfExecutor::create($lib)
+            ->appendEnv([
+                'CFLAGS' => '-DSQLITE_ENABLE_COLUMN_METADATA=1',
+            ])
+            ->configure()
+            ->make();
         $lib->patchPkgconfPrefix(['sqlite3.pc']);
     }