fix: remove problematic cache settings from Docker buildx

- Remove cache_from and cache_to that cause parsing errors
- Keep pull: true for layer caching
- Simpler configuration that works reliably
- Docker will still use local cache automatically

Error was: type required form> "ref=..."
Cause: Woodpecker plugin doesn't support complex cache syntax

.woodpecker.yml

@@ -41,8 +41,7 @@ pipeline:
         - org.opencontainers.image.source=${CI_REPO_LINK}
         - org.opencontainers.image.title=Peikarband Base
       
-      cache_from: type=registry,ref=hub.peikarband.ir/peikarband/base:latest
-      cache_to: type=inline
+      pull: true
       provenance: false
       push: true
     
@@ -84,8 +83,7 @@ pipeline:
         - org.opencontainers.image.title=Peikarband Landing
         - org.opencontainers.image.description=Peikarband hosting platform landing page
       
-      cache_from: type=registry,ref=hub.peikarband.ir/peikarband/landing:buildcache
-      cache_to: type=inline
+      pull: true
       provenance: false
       push: false
     
@@ -130,8 +128,7 @@ pipeline:
         - org.opencontainers.image.title=Peikarband Landing
         - org.opencontainers.image.description=Peikarband hosting platform landing page
       
-      cache_from: type=registry,ref=hub.peikarband.ir/peikarband/landing:buildcache
-      cache_to: type=inline
+      pull: true
       provenance: false
       push: true