Update spelling.yml

Author: szepeviktor

.github/workflows/spelling.yml

@@ -5,7 +5,6 @@ on:
     branches:
     - master
   pull_request: null
-  workflow_dispatch: null
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
@@ -20,4 +19,4 @@ jobs:
       uses: actions/checkout@v4
 
     - name: Check spelling
-      uses: crate-ci/typos@master
+      uses: crate-ci/typos@master