Added workflow dispatch trigger.

.github/workflows/dockerhub-ci.yml

@@ -1,18 +1,13 @@
 name: ci
 on:
+  workflow_dispatch:
   push:
     paths:
       - 'docker/**'
 jobs:
   docker:
     runs-on: ubuntu-latest
     steps:
-      - name: Dotenv Action
-        uses: falti/[email protected]
-        with:
-          path: docker/.env
-          log-variables: true
-          export-variables: true
       - name: "Set up QEMU"
         uses: docker/setup-qemu-action@v3
       - name: "Set up Docker Buildx"