chore: changes for deployment to get the pocketbase public url variable value

.gitea/workflows/deploy.yml

@@ -24,6 +24,8 @@ jobs:
         with:
           context: .
           push: true
+          build-args: |
+            PB_PUBLIC_URL=${{ vars.PB_PUBLIC_URL }}
           tags: |
             docker.allmy.work/${{ gitea.repository }}:latest
             docker.allmy.work/${{ gitea.repository }}:${{ gitea.sha }}