refactor: get latest tag using github ref

.github/workflows/deployment.yaml

@@ -9,23 +9,9 @@ on:
       - completed
 
 jobs:
-  set-env:
-    name: Set Enviroment Variables
-    if: ${{ github.event.workflow_run.conclusion == 'success' }}
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2.3.3
-        with:
-          fetch-depth: 0
-      - name: Get previous tag
-        id: previoustag
-        uses: "WyriHaximus/github-action-get-previous-tag@v1"
-    outputs:
-      TAG: ${{ steps.previoustag.outputs.tag }}
-
   print-env:
     name: Print Enviroment Variables
-    needs: [set-env]
     runs-on: ubuntu-latest
     steps:
-      - run: echo ${{ needs.set-env.outputs.TAG }}
+      - run: echo ${GITHUB_REF##*/}
+