cache docker in build step

.gitea/workflows/upload-image-dev.yaml

@@ -1,4 +1,4 @@
-Actions name: Publish Docker Image
+Actions name: Publish Docker Image (Development)
 on:
   push:
     branches:
@@ -11,7 +11,14 @@ jobs:
       - name: Checkout
         uses: https://github.com/actions/checkout@v3
 
-      - name: Download Docker
+      - uses: actions/cache@v3
+        id: docker-cache
+        with:
+          path: /usr/bin/docker
+          key: ${{ runner.os }}-${{ hashFiles('**') }}
+
+      - name: Install Docker
+        if: steps.docker-cache.outputs.cache-hit != 'true'
         run: |
           wget -q -O /tmp/docker.tgz https://download.docker.com/linux/static/stable/x86_64/docker-20.10.23.tgz \
           && tar --extract --file /tmp/docker.tgz --directory /usr/bin --strip-components 1 --no-same-owner docker/docker \
@@ -31,4 +38,4 @@ jobs:
         with:
           push: true
           context: .
-          tags: fascinated/sharex-php-uploader:development
+          tags: fascinated/sharex-php-uploader:latest