fix(action): small typos and weird stuff

Why is it not downloading the previous report?

action.yml

@@ -82,9 +82,8 @@ runs:
         # USAGE: has_report <REPORT_URL>
         has_report() {
           http_code=$(curl -X 'GET' -o /dev/null --silent -Iw '%{http_code}' \
-            -H "Authorization: token $GITHUB_TOKEN" \
-            "$1")
-          log "Got code $http_code for $url"
+            "$1" -H "Authorization: token $GITHUB_TOKEN")
+          log "Got code $http_code for $1"
           test "$http_code" = '200'
         }
 
@@ -96,8 +95,8 @@ runs:
           if has_report "$report_url"; then
             log 'Found previous report, downloading...'
             curl -X 'GET' \
-              -H "Authorization: token $GITHUB_TOKEN" \
-              "$url/artifacts/$ARTIFACT_NAME" |
+              "$report_url" \
+              -H "Authorization: token $GITHUB_TOKEN" |
               gunzip > old-report.json
             log "Reporting on sizes and comparing to sizes in $HEAD_BRANCH"
             "$GITHUB_ACTION_PATH/comment_on_pr.sh" report.json old-report.json