script/bootstrap: install sqlite3, which the test suite shells out to

script/bootstrap

@@ -65,6 +65,9 @@ main() {
         pkg_install golangci-lint golangci-lint golangci-lint golangci-lint
     fi
 
+    # sqlite3 CLI: the test suite shells out to it (VACUUM).
+    if missing sqlite3; then pkg_install sqlite sqlite3 sqlite sqlite; fi
+
     go mod download
 
     echo "bootstrap complete"