chore(deps): update dpage/pgadmin4 docker tag to v8.4 (#1058)

* chore(deps): update dpage/pgadmin4 docker tag to v8.4

* Update app version [skip ci]

---------

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: github-action update-app-version <githubaction@githubaction.com>

apps/pgadmin4/8.4/data.yml

@@ -0,0 +1,24 @@
+additionalProperties:
+  formFields:
+    - default: 80
+      edit: true
+      envKey: PANEL_APP_PORT_HTTP
+      labelEn: Web Port
+      labelZh: Web 端口
+      required: true
+      rule: paramPort
+      type: number
+    - default: admin@1panel.cn
+      edit: true
+      envKey: PGADMIN_DEFAULT_EMAIL
+      labelEn: Admin Email
+      labelZh: 管理员邮箱
+      required: true
+      type: text
+    - default: hgraZPD3v00I5AwuzSpL
+      edit: true
+      envKey: PGADMIN_DEFAULT_PASSWORD
+      labelEn: Admin Password
+      labelZh: 管理员密码
+      required: true
+      type: password