fix set output command

The wrong environment variable was used when updates from
"set-output".

Author: blowekamp

.github/workflows/build-and-release.yml

@@ -22,9 +22,9 @@ jobs:
       id: anaconda-tag
       run:
         if [[ $GITHUB_REF == 'refs/heads/master' ]]; then
-          echo "tag=dev" >> $GITOUTPUT_ENV;
+          echo "tag=dev" >> $GITHUB_OUTPUT;
         elif [[ $GITHUB_REF =~ refs/tags/* ]]; then 
-          echo "tag=main" >> $GITOUTPUT_ENV;
+          echo "tag=main" >> $GITHUB_OUTPUT;
         fi
   build-windows:
     strategy: