refactor: replace inline Docker login command with docker/login-action for improved readability and maintainability

Author: BraisVQ

.github/workflows/continuous-integration-workflow.yml

@@ -15,8 +15,11 @@ jobs:
         uses: actions/checkout@v4.2.2
       -
         name: Login to Red Hat Registry
-        run: |
-          echo "${{ secrets.REDHAT_REGISTRY_PASSWORD }}" | docker login -u ${{ secrets.REDHAT_REGISTRY_USERNAME }} --password-stdin registry.redhat.io
+        uses: docker/login-action@v3
+        with:
+          registry: registry.redhat.io
+          username: ${{ secrets.REDHAT_REGISTRY_USERNAME }}
+          password: ${{ secrets.REDHAT_REGISTRY_PASSWORD }}
       -
         name: Build UBI9 docker image
         run: |
@@ -34,8 +37,11 @@ jobs:
         uses: actions/checkout@v4.2.2
       -
         name: Login to Red Hat Registry
-        run: |
-          echo "${{ secrets.REDHAT_REGISTRY_PASSWORD }}" | docker login -u ${{ secrets.REDHAT_REGISTRY_USERNAME }} --password-stdin registry.redhat.io
+        uses: docker/login-action@v3
+        with:
+          registry: registry.redhat.io
+          username: ${{ secrets.REDHAT_REGISTRY_USERNAME }}
+          password: ${{ secrets.REDHAT_REGISTRY_PASSWORD }}
       - name: Build UBI9 docker image
         run: |
           ./.github/workflows/build-docker-image.sh \