ci: Configure proper AWS credentials for wave s3 CT.

Author: mturoci

.github/workflows/release-wave.yml

@@ -121,6 +121,13 @@ jobs:
         env:
           HAC_S3_BUCKET: ${{ secrets.HAC_S3_BUCKET }}
 
+      - name: Configure Wave AWS Credentials
+        uses: aws-actions/configure-aws-credentials@v3
+        with:
+          role-to-assume: ${{ secrets.AWS_WAVE_IAM_ROLE  }}
+          role-session-name: wave
+          aws-region: ${{ secrets.AWS_EAST_REGION }}
+
       - name: Publish to S3
         run: make publish-release-s3
         env: