New update to GH Actions: Deprecating save-state and set-output c…

…ommands (alshedivat#986)

Hi there

First of all, thanks for this amazing complete theme

Due to this warning which has been recently showed by Github,
`::set-output` will be deprecated and must be replaced with a new method


![image](https://user-images.githubusercontent.com/86428901/201933020-4a53d735-08b4-41d3-b38c-e16942fdd64e.png)

topic: [GitHub Actions: Deprecating save-state and set-output
commands](https://github.blog/changelog/2022-10-11-github-actions-deprecating-save-state-and-set-output-commands/)

Thanks

.github/workflows/deploy.yml

@@ -30,12 +30,12 @@ jobs:
         git config --global user.name "GitHub Action"
         git config --global user.email "41898282+github-actions[bot]@users.noreply.github.com"
         if [[ ${GITHUB_REF} = refs/pull/*/merge ]]; then # pull request
-          echo "::set-output name=SRC_BRANCH::${GITHUB_HEAD_REF}"
-          echo "::set-output name=NO_PUSH::--no-push"
+          echo "SRC_BRANCH=${GITHUB_HEAD_REF}" >> $GITHUB_OUTPUT
+          echo "NO_PUSH=--no-push" >> $GITHUB_OUTPUT
         elif [[ ${GITHUB_REF} = refs/heads/* ]]; then # branch, e.g. master, source etc
-          echo "::set-output name=SRC_BRANCH::${GITHUB_REF#refs/heads/}"
+          echo "SRC_BRANCH=${GITHUB_REF#refs/heads/}" >> $GITHUB_OUTPUT
         fi
-        echo "::set-output name=DEPLOY_BRANCH::gh-pages"
+        echo "DEPLOY_BRANCH=gh-pages" >> $GITHUB_OUTPUT
     - name: Deploy website 
       run:  yes | bash bin/deploy --verbose ${{ steps.setup.outputs.NO_PUSH }}
                     --src ${{ steps.setup.outputs.SRC_BRANCH }}