ci: force typecheck job to pass again since upstream issue is resolved

Author: mikavilpas

.github/workflows/typecheck.yml

@@ -14,8 +14,6 @@ jobs:
     steps:
       - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
       - uses: stevearc/nvim-typecheck-action@v2
-        # allow failing until https://github.com/stevearc/nvim-typecheck-action/issues/5 is resolved
-        continue-on-error: true
         with:
           path: lua
           level: Information