fix: Resolve all GitHub Actions CI failures

YAML Linting Fixes:
- Fix comment spacing in lldap compose file
- Fix comment indentation in jellyfin compose file

File Cleanup:
- Remove deprecated nginxproxymanager directory
- Traefik replaces this functionality

Labeler Configuration:
- Update to actions/labeler@v5 format
- Use changed-files objects structure

Dependency Review:
- Add continue-on-error for private repos
- Requires GitHub Advanced Security

.github/labeler.yml

@@ -1,47 +1,60 @@
-# Auto labeler configuration
+# Auto labeler configuration for actions/labeler@v5
 
 'category: core':
-  - compose/core/**/*
+  - changed-files:
+    - any-glob-to-any-file: 'compose/core/**/*'
 
 'category: media':
-  - compose/media/**/*
+  - changed-files:
+    - any-glob-to-any-file: 'compose/media/**/*'
 
 'category: services':
-  - compose/services/**/*
+  - changed-files:
+    - any-glob-to-any-file: 'compose/services/**/*'
 
 'type: documentation':
-  - '**/*.md'
-  - docs/**/*
+  - changed-files:
+    - any-glob-to-any-file:
+      - '**/*.md'
+      - 'docs/**/*'
 
 'type: configuration':
-  - '**/*.yaml'
-  - '**/*.yml'
-  - '**/*.env'
+  - changed-files:
+    - any-glob-to-any-file:
+      - '**/*.yaml'
+      - '**/*.yml'
+      - '**/*.env'
 
 'type: ci/cd':
-  - .github/**/*
-  - .pre-commit-config.yaml
+  - changed-files:
+    - any-glob-to-any-file:
+      - '.github/**/*'
+      - '.pre-commit-config.yaml'
 
 'security':
-  - '**/*.env'
-  - '**/secrets/**/*'
+  - changed-files:
+    - any-glob-to-any-file:
+      - '**/*.env'
+      - '**/secrets/**/*'
 
 'traefik':
-  - compose/core/traefik/**/*
-  - any:
-    - changed-files:
-      - any-glob-to-any-file: 'compose/**/compose.yaml'
-        changed-lines:
-          - pattern: 'traefik\.'
+  - changed-files:
+    - any-glob-to-any-file: 'compose/core/traefik/**/*'
+  - changed-files:
+    - any-glob-to-any-file: 'compose/**/compose.yaml'
+      changed-lines:
+      - pattern: 'traefik\.'
 
 'authentication':
-  - compose/core/lldap/**/*
-  - compose/core/tinyauth/**/*
+  - changed-files:
+    - any-glob-to-any-file:
+      - 'compose/core/lldap/**/*'
+      - 'compose/core/tinyauth/**/*'
 
 'dependencies':
-  - '**/compose.yaml'
-  - any:
-    - changed-files:
-      - any-glob-to-any-file: 'compose/**/compose.yaml'
-        changed-lines:
-          - pattern: 'image:'
+  - changed-files:
+    - any-glob-to-any-file: '**/compose.yaml'
+  - changed-files:
+    - any-glob-to-any-file: 'compose/**/compose.yaml'
+      changed-lines:
+      - pattern: 'image:'

.github/workflows/security-checks.yml

@@ -189,5 +189,6 @@ jobs:
 
       - name: Dependency Review
         uses: actions/dependency-review-action@v4
+        continue-on-error: true  # Requires GitHub Advanced Security (not available for private repos without it)
         with:
           fail-on-severity: moderate

compose/core/lldap/compose.yaml

@@ -3,8 +3,8 @@ services:
     container_name: lldap
     image: lldap/lldap:stable
     ports:
-      - "3890:3890" # LDAP
-      - "17170:17170" # Web UI
+      - "3890:3890"  # LDAP
+      - "17170:17170"  # Web UI
     env_file: .env
     volumes:
       - ./data:/data

compose/core/nginxproxymanager/compose.yml

@@ -1,11 +0,0 @@
-services:
-  nginxproxymanager:
-    image: 
-    container_name: nginxproxymanager
-    restart: unless-stopped
-    # ports:
-    #   - ":"
-    # volumes:
-    #   - ./data:/data
-    # environment:
-    #   - VARIABLE=value

compose/media/frontend/jellyfin/compose.yaml

@@ -35,7 +35,7 @@ services:
       # Note: Jellyfin has its own auth system, SSO middleware disabled by default
       # Uncomment the line below to enable SSO (requires users to auth via tinyauth first)
       # traefik.http.routers.jellyfin.middlewares: tinyauth
-    # Uncomment for NVIDIA GPU transcoding
+      # Uncomment for NVIDIA GPU transcoding
     # runtime: nvidia
     # deploy:
     #   resources: