Update release workflow to push AWS types (#7733)

# Description

Update release workflow to create a branch and tag during releases in
the `bicep-types-aws` repo. This will trigger the publish workflow in
the `bicep-types-aws` repo to publish types to ACR:
radius-project/bicep-types-aws#46

## Type of change

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Fixes: #issue_number

---------

Signed-off-by: sk593 <[email protected]>

.github/workflows/release.yaml

@@ -159,6 +159,13 @@ jobs:
           ref: main
           token: ${{ secrets.GH_RAD_CI_BOT_PAT }}
           path: dashboard
+      - name: Checkout radius-project/bicep-types-aws@main
+        uses: actions/checkout@v4
+        with:
+          repository: radius-project/bicep-types-aws
+          ref: main
+          token: ${{ secrets.GH_RAD_CI_BOT_PAT }}
+          path: bicep-types-aws
       - name: Set up GitHub credentials
         run: |
           git config --global user.name "Radius CI Bot"
@@ -226,3 +233,7 @@ jobs:
         if: success() && steps.release-branch-exists.outputs.result == 'false'
         run: |
           ./radius/.github/scripts/release-create-tag-and-branch.sh dashboard ${{ steps.get-version.outputs.release-version }} ${{ steps.get-version.outputs.release-branch-name }}
+      - name: Release radius-project/bicep-types-aws version ${{ steps.get-version.outputs.release-version }}
+        if: success() && steps.release-branch-exists.outputs.result == 'false'
+        run: |
+          ./radius/.github/scripts/release-create-tag-and-branch.sh bicep-types-aws ${{ steps.get-version.outputs.release-version }} ${{ steps.get-version.outputs.release-branch-name }}