fix: Use Docker Hub to fetch tags instead of GitHub

action.yml

@@ -99,16 +99,16 @@ runs:
     - name: Set the Rasa SDK version
       shell: bash
       run: |
+        DOCKERHUB_TAGS_URL="https://registry.hub.docker.com/v2/repositories/rasa/rasa-sdk/tags?page_size=10000"
         # Get the latest version
         if [[ "${{ inputs.rasa_sdk_version }}" == "latest" ]]; then
-          LATEST_RASA_SDK_VERSION=$(curl --silent "https://api.github.com/repos/RasaHQ/rasa-sdk/tags" | jq -r .[].name | grep -v refs | sort -Vr | head -n1)
-          echo "action_state=yellow"
+          LATEST_RASA_SDK_VERSION=$(curl -s ${DOCKERHUB_TAGS_URL} | jq -r '.results[].name' | grep -vE 'refs|aws|latest' | sort -Vr | head -n1)
           echo "RASA_SDK_VERSION=${LATEST_RASA_SDK_VERSION}" >> $GITHUB_ENV
         else
           # Validate Rasa SDK version
-          CHECK_VERSION=$(curl --silent "https://api.github.com/repos/RasaHQ/rasa-sdk/tags" | jq -r '.[] | select(.name=="${{ inputs.rasa_sdk_version }}") | .name')
+          CHECK_VERSION=$(curl --silent ${DOCKERHUB_TAGS_URL} | jq -r '.results[] | select(.name=="${{ inputs.rasa_sdk_version }}") | .name')
           if [[ "$CHECK_VERSION" != "${{ inputs.rasa_sdk_version }}" ]]; then
-            echo "::error::Rasa SDK in ${{ inputs.rasa_sdk_version }} version doesn't exist. Check if the given Rasa SDK version is valid, https://github.com/RasaHQ/rasa-sdk/tags" && exit 1
+            echo "::error::Rasa SDK in ${{ inputs.rasa_sdk_version }} version doesn't exist. Check if the given Rasa SDK version is valid, https://hub.docker.com/r/rasa/rasa-sdk/tags" && exit 1
           fi
           echo "RASA_SDK_VERSION=${{ inputs.rasa_sdk_version }}" >> $GITHUB_ENV
         fi