fix(workflow): combine GitHub npm task into 1 (#283)

The `cd docs` command did not run together with the other GitHub tasks in the workflow definition.

This PR combines the NPM commands into a single task to keep track of the changed directory.

.github/workflows/bump-docs-version.yml

@@ -16,15 +16,12 @@ jobs:
         uses: actions/checkout@v2
         with:
             fetch-depth: 0
-
-      - name: navigate to docs folder
-        run: cd docs
-
-      - name: Install npm dependencies
-        run: npm install
-
+
       - name: Generate new version
-        run: npm run docusaurus docs:version ${{ github.event.inputs.version }}
+        run: |
+          cd docs
+          npm install
+          npm run docusaurus docs:version ${{ github.event.inputs.version }}
 
       - name: Check for changes
         run: |
@@ -45,4 +42,4 @@ jobs:
           title: "docs(${{ github.event.inputs.version }}): bump new docs version"
           body: "This automatically generated PR bumps the docs version to ${{ github.event.inputs.version }}."
           commit-message: "docs(${{ github.event.inputs.version }}): bump new docs version"
-          delete-branch: true
+          delete-branch: true