Fixed an ssh host verification error

.gitlab-ci.yml

@@ -26,6 +26,7 @@ deploy-resume-site:
   script:
     - eval `ssh-agent -s`
     - ssh-add <(echo "$SSH_DEPLOY_KEY")
+    - ssh-keyscan -p $DEPLOY_PORT sothr.com >> ~/.ssh/known_hosts
     - mkdir /tmp/deploy
     - tar -xvf ResumeSite.tar.gz -C /tmp/deploy
     - cp resume.pdf /tmp/deploy
@@ -45,6 +46,7 @@ deploy-resume-github:
   script:
     - eval `ssh-agent -s`
     - ssh-add <(echo "$SSH_DEPLOY_KEY")
+    - ssh-keyscan github.com >> ~/.ssh/known_hosts
     - git clone $GIT_REPO /tmp/deploy
     - pushd /tmp/deploy
     - git checkout -b gh-pages origin/gh-pages