Fix a snapshot on older R

Author: gaborcsardi

tests/testthat/_snaps/old-r/inline-2.md

@@ -4,7 +4,7 @@
       cli_text("xx {__cannot-parse-this__} yy")
     Condition
       Error:
-      ! Error while parsing cli `{}` expression: `__cannot-parse-th...`.
+      ! Could not parse cli `{}` expression: `__cannot-parse-th...`.
       Caused by error:
       ! <text>:1:1: unexpected input
       1: _