chore(ci): enable verbose output for Pushover notifications and specify full Docker image path

- Change curl commands in GitHub Actions workflows to use verbose mode (-v) instead of silent mode (-s) for failure notifications
- Update Dockerfile to use full Docker image path with docker.io registry prefix

.gitea/workflows/build.yml

@@ -94,7 +94,7 @@ jobs:
       - name: Notify via Pushover on failure
         if: failure()
         run: |
-          curl -s \
+          curl -v \
             -F "token=${{ secrets.PUSHOVER_TOKEN }}" \
             -F "user=${{ secrets.PUSHOVER_USER }}" \
             --form-string "title=HomeAssistant Build Failed" \
@@ -139,7 +139,7 @@ jobs:
       - name: Notify via Pushover on failure
         if: failure()
         run: |
-          curl -s \
+          curl -v \
             -F "token=${{ secrets.PUSHOVER_TOKEN }}" \
             -F "user=${{ secrets.PUSHOVER_USER }}" \
             --form-string "title=HomeAssistant Promote Failed" \
@@ -166,7 +166,7 @@ jobs:
       - name: Notify via Pushover on failure
         if: failure()
         run: |
-          curl -s \
+          curl -v \
             -F "token=${{ secrets.PUSHOVER_TOKEN }}" \
             -F "user=${{ secrets.PUSHOVER_USER }}" \
             --form-string "title=HomeAssistant Deploy Failed" \