Refactor Dockerfile for scraper, update Traefik configuration, and clean up scripts

- Simplified Dockerfile for scraper by removing unnecessary Node.js installation and optimizing build stages.
- Updated Traefik environment configuration to use shorter variable names for certificate paths.
- Removed commented-out middleware configurations in dynamic middlewares.yaml.
- Cleaned up legacy SSL configurations in ssl.yaml.
- Disabled insecure API access in Traefik configuration.
- Deleted unused renovate.json file.
- Modified update environment script to only process apps directory.
- Updated GHCR cleanup script to target specific package.
- Streamlined dependency update script to focus on app submodules.
- Removed setup script for Prometheus as it is no longer needed.

infra/README.md

@@ -60,9 +60,7 @@ Traefik reads dynamic config from `infra/traefik/dynamic/`:
 
 - `apps.yaml` — routers and upstream services
 - `middlewares.yaml` — shared middleware chains
-- `ssl.yaml` — TLS certificates
-
-The primary certificate intentionally pairs `asephstech.pem` with `asephscloud.key` to preserve the current production layout.
+- `ssl.yaml` — TLS certificates for `asepharyana.my.id` and `asepharyana.web.id`
 
 ## Validation