ci: fix staticcheck job by adding libc and gcc deps

.drone.yml

@@ -3,10 +3,13 @@ kind: pipeline
 type: docker
 name: default
 
+  
+
 steps:
 - name: staticcheck 
   image: golang:1.18.3-alpine3.16
   commands:
+    - apk add --no-cache git staticcheck gcc libc-dev
     - go install honnef.co/go/tools/cmd/staticcheck@latest
     - staticcheck
 - name: build

Dockerfile

@@ -6,7 +6,7 @@ ARG uid=1000
 RUN mkdir -p "$APP_ROOT" \
     && addgroup --system sfu -g $gid \
     && adduser -h "$APP_ROOT" --disabled-password --system -u $uid --ingroup sfu sfu \
-    && apk add curl~=7
+    && apk add --no-cache curl~=7
 WORKDIR "$APP_ROOT"
 USER sfu:sfu