[CI] Update sha retrieval (#1352)

.github/workflows/manual_docs_to_dev.yml

@@ -7,20 +7,23 @@ jobs:
     name: Build and upload Assets to Release
     steps:
       - uses: actions/checkout@v3
+      - uses: benjlevesque/short-sha@v2.1
+        id: short-sha
+        with:
+          length: 6
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
           python-version: "3.7"
-      - name: Set outputs
-        id: vars
-        run: echo "sha_short=$(git rev-parse --short HEAD)" >> $GITHUB_OUTPUT
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
           pip install platformio requests shutils
           npm install
-      - name: Set soft version tag from git
-        run: sed -i "s/version_tag/${steps.vars.outputs.sha_short}/g" main/User_config.h
+      - name: Set sha tag
+        run: |
+          sed -i "s/version_tag/${{ steps.short-sha.outputs.sha }}/g" main/User_config.h
+          sed -i "s/version_tag/${{ steps.short-sha.outputs.sha }}/g" docs/.vuepress/config.js
       - name: Run PlatformIO
         run: platformio run
       - name: Prepare Release Assets
@@ -31,8 +34,6 @@ jobs:
         uses: actions/setup-node@v1
         with:
           node-version: "14.x"
-      - name: Set doc version tag from git
-        run: sed -i "s/version_tag/${{steps.vars.outputs.sha_short}}/g" docs/.vuepress/config.js
       - name: Build documentation
         run: |
           python ./scripts/gen_wu_dev.py