Update version branch workflow (#26)

(cherry picked from commit 4e1b738)

Author: sanex3339

.github/workflows/create-version-branch.yml

@@ -0,0 +1,39 @@
+name: Check the Metabase SDK version and create a version branch
+
+on:
+  schedule:
+    - cron: '0 * * * *'  # every hour
+  workflow_dispatch:
+
+jobs:
+  update_release_branch:
+    runs-on: ubuntu-22.04
+    timeout-minutes: 5
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Get TARGET_BRANCH from latest stable major version of @metabase/embedding-sdk-react
+        id: get-target-branch
+        run: |
+          LATEST_VERSION=$(npm view @metabase/embedding-sdk-react version)
+          MAJOR_VERSION=$(echo "$LATEST_VERSION" | cut -d. -f2)
+          TARGET_BRANCH="${MAJOR_VERSION}-stable"
+          echo "target_branch=$TARGET_BRANCH" >> $GITHUB_OUTPUT
+
+      - name: Check if target branch exists
+        id: check-target-branch
+        run: |
+          if git ls-remote --exit-code --heads origin "${{ steps.get-target-branch.outputs.target_branch }}"; then
+            echo "target_branch_exists=true" >> $GITHUB_OUTPUT
+          else
+            echo "target_branch_exists=false" >> $GITHUB_OUTPUT
+          fi
+
+      - name: Create target branch if it doesn't exist
+        if: steps.check-target-branch.outputs.target_branch_exists == 'false'
+        run: |
+          TARGET_BRANCH="${{ steps.get-target-branch.outputs.target_branch }}"
+          echo "Creating branch $TARGET_BRANCH from main"
+          git fetch origin main
+          git checkout -b "$TARGET_BRANCH" origin/main
+          git push origin "$TARGET_BRANCH"

.github/workflows/update-default-branch.yml

@@ -1,5 +1,5 @@
 > [!IMPORTANT]  
-> **To use your own Metabase**, use the release branch that matches your Metabase Enterprise Edition's major version. For example, if you're using Metabase 1.53.x, use the `release-x.53.x` branch. [More info](https://www.metabase.com/docs/latest/embedding/sdk/version).
+> **To use your own Metabase**, use the release branch that matches your Metabase Enterprise Edition's major version. For example, if you're using Metabase 1.53.x, use the `53-stable` branch. [More info](https://www.metabase.com/docs/latest/embedding/sdk/version).
 > 
 > **To spin up a new Metabase**, you can use any version branch and run the sample app in the Docker container with the corresponding version of Metabase. You'll need a Pro/Enterprise token, which you can get with a [free trial of Pro](https://www.metabase.com/pricing/).