update docker creds

Signed-off-by: Amndeep Singh Mann <amann@mitre.org>

Author: Amndeep7

.github/workflows/push-to-docker-mail.yml

@@ -13,8 +13,8 @@ jobs:
       - name: Login to DockerHub
         uses: docker/login-action@v2
         with:
-          username: ${{ secrets.DOCKERHUB_USERNAME }}
-          password: ${{ secrets.DOCKERHUB_TOKEN }}
+          username: ${{ vars.DOCKER_USER }}
+          password: ${{ secrets.DOCKER_PAT }}
       - name: Checkout the eMASSer Repository
         uses: actions/checkout@v4
       - name: Build and push

.github/workflows/push-to-docker.yml

@@ -13,8 +13,8 @@ jobs:
       - name: Login to DockerHub
         uses: docker/login-action@v2
         with:
-          username: ${{ secrets.DOCKERHUB_USERNAME }}
-          password: ${{ secrets.DOCKERHUB_TOKEN }}
+          username: ${{ vars.DOCKER_USER }}
+          password: ${{ secrets.DOCKER_PAT }}
       - name: Run string replace
         uses: frabert/replace-string-action@master
         id: format-tag