put action.yaml into root dir

Signed-off-by: Shakar <5h4k4r.b4kr@gmail.com>

.github/workflows/main.yaml

@@ -11,7 +11,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Hello world action step
-        uses: ./.github/actions/action.yaml
+        uses: ./
         id: hello
         with:
           who-to-greet: "John"

action.yaml

@@ -11,6 +11,6 @@ outputs:
 
 runs:
   using: "docker"
-  image: "../../Dockerfile"
+  image: "Dockerfile"
   args:
     - ${{ inputs.who-to-greet }}