fix: Move Gitea SSH to port 8095 (keep all infra in 809x range)

Changed: 2222 → 8095 for SSH
Keeps all infrastructure ports sequential: 8090-8095

Port allocation:
- 8090: Gitea HTTP
- 8091: SeaweedFS Filer
- 8092: SeaweedFS S3
- 8093: SeaweedFS Master
- 8094: SeaweedFS Volume
- 8095: Gitea SSH

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

infra/README.md

@@ -7,7 +7,7 @@
 ### Gitea (git.corrosionmgmt.com)
 - **Container**: `corrosion-gitea`
 - **Host Port**: 8090
-- **SSH Port**: 2222
+- **SSH Port**: 8095
 - **Database**: SQLite (self-contained)
 - **Purpose**: Source control, CI/CD, companion agent releases
 
@@ -61,7 +61,7 @@ docker compose up -d
 ## Access Points
 
 - **Gitea Web**: https://git.corrosionmgmt.com
-- **Gitea SSH**: ssh://git@git.corrosionmgmt.com:2222
+- **Gitea SSH**: ssh://git@git.corrosionmgmt.com:8095
 - **CDN Filer UI**: https://cdn.corrosionmgmt.com
 - **S3 API**: http://<asgard-ip>:8092 (internal only, no proxy)
 - **SeaweedFS Master**: http://<asgard-ip>:8093 (internal only, no proxy)