ci: fixes

.woodpecker/build.yml

@@ -5,7 +5,7 @@ pipeline:
   prepare:
     image: *cyan
     commands:
-      - just install
+      - luarocks install --only-deps awesomewm-d-tl-dev-1.rockspec
   build:
     image: *cyan
     commands:

.woodpecker/lint.yml

@@ -10,7 +10,7 @@ variables:
 
 pipeline:
   lint-pipeline:
-    image: woodpeckerci/woodpecker-cli:next-alpine
+    image: woodpeckerci/woodpecker-cli:v0.15.11-alpine
     group: lint
     commands:
       - woodpecker-cli lint .woodpecker/*.yml

.woodpecker/test.yml

@@ -5,7 +5,7 @@ pipeline:
   prepare:
     image: *busted
     commands:
-      - just install
+      - luarocks install --only-deps awesomewm-d-tl-dev-1.rockspec
   test:
     image: *busted
     commands: