fix: pass docker tls env to childs (#9087)

.gitignore

@@ -23,3 +23,5 @@ renovate-schema.json
 tools/dist
 test/datasource/nuget/_fixtures/obj
 
+# testing
+/docker-compose.yml

lib/util/exec/env.ts

@@ -9,6 +9,8 @@ const basicEnvVars = [
   'LC_ALL',
   'LANG',
   'DOCKER_HOST',
+  'DOCKER_TLS_VERIFY',
+  'DOCKER_CERT_PATH',
 ];
 
 export function getChildProcessEnv(