chore: add optional ref input

Author: OmarAlJarrah

.github/workflows/generate-docs-site.yml

@@ -2,14 +2,26 @@ name: Deploy Reference Documentation
 
 on:
   workflow_dispatch:
+    inputs:
+      ref:
+        description: 'Branch or tag to deploy reference docs from. Defaults to current branch.'
+        type: string
+        required: false
+        default: ${{ github.ref_name }}
 
 permissions:
   id-token: write
 
 jobs:
   deploy-reference-docs:
-    uses: "ExpediaGroup/expediagroup-java-sdk/.github/workflows/generate-ref-docs.yaml@main"
-    with:
-      buildsystem: 'maven'
-    secrets:
-      GITHUB_PAT: ${{ secrets.GH_PERSONAL_ACCESS_TOKEN }}
+    runs-on: ubuntu-latest
+    steps:
+      - name: Get ref name
+        id: get_branch
+        run: echo "::set-output name=branch::$(echo ${GITHUB_REF#refs/heads/})"
+      - uses: "ExpediaGroup/expediagroup-java-sdk/.github/workflows/generate-ref-docs.yaml@main"
+        with:
+          buildsystem: 'maven'
+          ref: ${{ inputs.ref }}
+        secrets:
+          GITHUB_PAT: ${{ secrets.GH_PERSONAL_ACCESS_TOKEN }}