update ci for legacy upload (#18316)

* update ci for legacy upload

* docs

(cherry picked from commit c98fb36)

Author: Borda

.github/workflows/_legacy-checkpoints.yml

@@ -117,8 +117,8 @@ jobs:
     - name: Upload checkpoints to S3
       working-directory: ${{ env.legacy_dir }}
       env:
-        AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY }}
-        AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_KEY }}
+        AWS_ACCESS_KEY_ID: ${{ secrets.AWS_PUB_ACCESS_KEY }}
+        AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_PUB_SECRET_KEY }}
         AWS_DEFAULT_REGION: ${{ secrets.AWS_REGION }}
       run: |
         aws s3 sync $AWS_RUN checkpoints/ s3://pl-public-data/legacy/checkpoints/

docs/source-pytorch/upgrade/migration_guide.rst

@@ -1,5 +1,5 @@
-Guide how to upgrade to the 2.0 version
-#######################################
+2.0 upgrade guide
+#################
 
 The following section will guide you through updating to the 2.0 release.