Fixed step output references (#84)

* Fixed step output references

Author: Justin Boswell

.github/workflows/create-channel.yml

@@ -42,9 +42,10 @@ jobs:
 
     - name: Package builder to S3
       run: |
+        export CHANNEL=${{ steps.tag.outputs.release_tag }}
         mkdir -p build
         python3 -m zipapp --python="/usr/bin/env python3" --output=build/builder builder
-        aws s3 cp build/builder s3://$AWS_S3_BUCKET/channels/${{ steps.tag.outputs.release_tag }}/builder.pyz
+        aws s3 cp build/builder s3://$AWS_S3_BUCKET/channels/$CHANNEL/builder.pyz
 
     - name: Artifact builder
       uses: actions/upload-artifact@v1

.github/workflows/create-release.yml

@@ -105,7 +105,7 @@ jobs:
 
     - name: Export aws-crt-${{ matrix.variant }} image to S3/releases
       run: |
-        export IMAGE_TAG=$${{ steps.tag.outputs.release_tag }}
+        export IMAGE_TAG=${{ steps.tag.outputs.release_tag }}
         docker save docker.pkg.github.com/awslabs/aws-crt-builder/aws-crt-${{ matrix.variant }}:$IMAGE_TAG | gzip > /tmp/aws-crt-${{ matrix.variant }}-$IMAGE_TAG.tar.gz
         aws s3 cp --no-progress /tmp/aws-crt-${{ matrix.variant }}-$IMAGE_TAG.tar.gz s3://${{env.AWS_S3_BUCKET}}/releases/$IMAGE_TAG/aws-crt-${{ matrix.variant }}.tar.gz
         aws s3 cp --no-progress s3://${{env.AWS_S3_BUCKET}}/releases/$IMAGE_TAG/aws-crt-${{ matrix.variant }}.tar.gz s3://${{env.AWS_S3_BUCKET}}/LATEST/aws-crt-${{ matrix.variant }}.tar.gz