ci: add nvim v0.11 to test matrix (#1923)

Author: williamboman

.github/workflows/tests.yml

@@ -17,6 +17,8 @@ jobs:
                     - v0.10.2
                     - v0.10.3
                     - v0.10.4
+                    - v0.11.0
+                    - v0.11.1
         runs-on: ubuntu-latest
         steps:
             - uses: actions/checkout@v4