Fix CI
Fix CI

wget is failed in debian:jessie

```
 INFO :       execute[wget https://github.com/libevent/libevent/releases/download/release-2.0.22-stable/libevent-2.0.22-stable.tar.gz] executed will change from 'false' to 'true'
ERROR :         stderr | converted 'https://github.com/libevent/libevent/releases/download/release-2.0.22-stable/libevent-2.0.22-stable.tar.gz' (ANSI_X3.4-1968) -> 'https://github.com/libevent/libevent/releases/download/release-2.0.22-stable/libevent-2.0.22-stable.tar.gz' (UTF-8)
ERROR :         stderr | --2021-11-19 19:01:30--  https://github.com/libevent/libevent/releases/download/release-2.0.22-stable/libevent-2.0.22-stable.tar.gz
ERROR :         stderr | Resolving github.com (github.com)... 140.82.114.3
ERROR :         stderr | Connecting to github.com (github.com)|140.82.114.3|:443... connected.
ERROR :         stderr | HTTP request sent, awaiting response... 302 Found
ERROR :         stderr | Location: https://objects.githubusercontent.com/github-production-release-asset-2e65be/1856976/b8683cb6-0519-11e5-817f-053e621a8f47?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=AKIAIWNJYAX4CSVEH53A%2F20211119%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Date=20211119T190130Z&X-Amz-Expires=300&X-Amz-Signature=2ac7349b32c5fbac1231131eba3aedda5142e85d722cd7a4a4513924b5a9e4f0&X-Amz-SignedHeaders=host&actor_id=0&key_id=0&repo_id=1856976&response-content-disposition=attachment%3B%20filename%3Dlibevent-2.0.22-stable.tar.gz&response-content-type=application%2Foctet-stream [following]
ERROR :         stderr | converted 'https://objects.githubusercontent.com/github-production-release-asset-2e65be/1856976/b8683cb6-0519-11e5-817f-053e621a8f47?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=AKIAIWNJYAX4CSVEH53A%2F20211119%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Date=20211119T190130Z&X-Amz-Expires=300&X-Amz-Signature=2ac7349b32c5fbac1231131eba3aedda5142e85d722cd7a4a4513924b5a9e4f0&X-Amz-SignedHeaders=host&actor_id=0&key_id=0&repo_id=1856976&response-content-disposition=attachment%3B%20filename%3Dlibevent-2.0.22-stable.tar.gz&response-content-type=application%2Foctet-stream' (ANSI_X3.4-1968) -> 'https://objects.githubusercontent.com/github-production-release-asset-2e65be/1856976/b8683cb6-0519-11e5-817f-053e621a8f47?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=AKIAIWNJYAX4CSVEH53A/20211119/us-east-1/s3/aws4_request&X-Amz-Date=20211119T190130Z&X-Amz-Expires=300&X-Amz-Signature=2ac7349b32c5fbac1231131eba3aedda5142e85d722cd7a4a4513924b5a9e4f0&X-Amz-SignedHeaders=host&actor_id=0&key_id=0&repo_id=1856976&response-content-disposition=attachment; filename=libevent-2.0.22-stable.tar.gz&response-content-type=application/octet-stream' (UTF-8)
ERROR :         stderr | --2021-11-19 19:01:30--  https://objects.githubusercontent.com/github-production-release-asset-2e65be/1856976/b8683cb6-0519-11e5-817f-053e621a8f47?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=AKIAIWNJYAX4CSVEH53A/20211119/us-east-1/s3/aws4_request&X-Amz-Date=20211119T190130Z&X-Amz-Expires=300&X-Amz-Signature=2ac7349b32c5fbac1231131eba3aedda5142e85d722cd7a4a4513924b5a9e4f0&X-Amz-SignedHeaders=host&actor_id=0&key_id=0&repo_id=1856976&response-content-disposition=attachment;%20filename=libevent-2.0.22-stable.tar.gz&response-content-type=application/octet-stream
ERROR :         stderr | Resolving objects.githubusercontent.com (objects.githubusercontent.com)... 185.199.108.133, 185.199.109.133, 185.199.110.133, ...
ERROR :         stderr | Connecting to objects.githubusercontent.com (objects.githubusercontent.com)|185.199.108.133|:443... connected.
ERROR :         stderr | HTTP request sent, awaiting response... 401 Unauthorized
ERROR :         stderr |
ERROR :         stderr | Username/Password Authentication Failed.
```

c.f. https://app.circleci.com/pipelines/github/sue445/itamae-plugin-recipe-tmux/98/workflows/01df6db3-c965-4813-bc4f-315ce81bfa63/jobs/489

sue445/itamae-plugin-recipe-tmux,sue445/itamae-plugin-recipe-tmux