Bump acme.sh to latest

Bump acme.sh to latest

diff --git a/templates/web.letsencrypt.ssl.template.yml b/templates/web.letsencrypt.ssl.template.yml
index 85324fa..f0153e6 100644
--- a/templates/web.letsencrypt.ssl.template.yml
+++ b/templates/web.letsencrypt.ssl.template.yml
@@ -10,7 +10,7 @@ hooks:
 
     - exec:
        cmd:
-         - cd /root && git clone --branch 2.8.2 --depth 1 https://github.com/Neilpang/acme.sh.git && cd /root/acme.sh
+         - cd /root && git clone --branch 2.9.0 --depth 1 https://github.com/Neilpang/acme.sh.git && cd /root/acme.sh
          - touch /var/spool/cron/crontabs/root
          - install -d -m 0755 -g root -o root $LETSENCRYPT_DIR
          - cd /root/acme.sh && LE_WORKING_DIR="${LETSENCRYPT_DIR}" ./acme.sh --install --log "${LETSENCRYPT_DIR}/acme.sh.log"

GitHub sha: 015b3daddb386d10422ac68be696fd6b20a9af2a

This commit appears in #544 which was approved by eviltrout. It was merged by Falco.

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