chore(ci/cd): add cache

.drone.yml

@@ -19,10 +19,13 @@ steps:
       endpoint: https://minio.dwysokinski.me
       mount:
         - /root/.cache/go-build
+        - /root/.cache/go-mod
   - name: test
     image: golang:1.19
     environment: 
       TESTS_DB_DSN: postgres://postgres:twhelptest@database:5432/twhelptest?sslmode=disable
+      GOCACHE: /root/.cache/go-build
+      GOMODCACHE: /root/.cache/go-mod
     commands:
       - make generate
       - go test -race -coverprofile=coverage.txt -covermode=atomic ./...
@@ -41,6 +44,7 @@ steps:
       endpoint: https://minio.dwysokinski.me
       mount:
         - /root/.cache/go-build
+        - /root/.cache/go-mod
 
 services:
   - name: database