ci: Use node:22 instead of node:22-alpine for builds

Alpine uses musl libc which breaks Rollup's native bindings.
Debian-based node:22 uses glibc and works correctly.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

.woodpecker.yml

@@ -71,7 +71,7 @@ steps:
   # BUILD: Frontend assets in CI (not Docker)
   # ===========================================
   build-cannaiq:
-    image: node:22-alpine
+    image: node:22
     commands:
       - cd cannaiq
       - npm ci --prefer-offline
@@ -83,7 +83,7 @@ steps:
       event: push
 
   build-findadispo:
-    image: node:22-alpine
+    image: node:22
     commands:
       - cd findadispo/frontend
       - npm ci --prefer-offline
@@ -95,7 +95,7 @@ steps:
       event: push
 
   build-findagram:
-    image: node:22-alpine
+    image: node:22
     commands:
       - cd findagram/frontend
       - npm ci --prefer-offline
@@ -107,9 +107,8 @@ steps:
       event: push
 
   build-backend:
-    image: node:22-alpine
+    image: node:22
     commands:
-      - apk add --no-cache python3 make g++
       - cd backend
       - npm ci --prefer-offline
       - npm run build