Fix release scripts

.yardopts

@@ -1 +1 @@
---no-private --output-dir docs lib/**/*.rb --markup-provider=redcarpet --markup=markdown - README.md
+--no-private --markup-provider=redcarpet --markup=markdown lib/**/*.rb - README.md

sidekiq-unique-jobs.gemspec

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-lib = File.expand_path("lib", __FILE__)
+lib = File.expand_path("lib", __dir__)
 $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
 
 require "sidekiq_unique_jobs/version"

update_docs.sh

@@ -15,7 +15,7 @@ rake yard
 
 git checkout gh-pages
 
-if [[ "$(git branch | grep \* | cut -d ' ' -f2)" != "gh-pages" ]]; then
+if [[ "$(git branch | grep \* | cut -d ' ' -f2)" !=  "gh-pages" ]]; then
   git checkout -b gh-pages
 fi;
 
@@ -28,7 +28,7 @@ mv doc/* ./
 echo "Sending new documentation to github"
 git add --all
 git commit -a -m 'Update documentation'
-git push --force
+git push --set-upstream origin gh-pages --force
 
 if [[ $stash_created == 1 ]]; then
   git stash pop