add ifs to not do things twice

.gitea/workflows/check_releases.yaml

@@ -49,13 +49,14 @@ jobs:
 
           if [ "$HTTP_STATUS" -eq 200 ]; then
             echo "Release already exists. Skipping step."
-            # echo "exists=true" >> "$GITHUB_OUTPUT"
+            echo "exists=true" >> "$GITHUB_OUTPUT"
           else
             echo "Release does not exist."
-            # echo "exists=false" >> "$GITHUB_OUTPUT"
+            echo "exists=false" >> "$GITHUB_OUTPUT"
           fi
 
       - name: Download latest release
+        if: steps.check_release_exists.outputs.exists != 'true'
         run: |
           DOWNLOAD_URL="https://github.com/prefix-dev/pixi/releases/download/${{ steps.check_release.outputs.latest_tag }}/pixi-x86_64-unknown-linux-musl.tar.gz"
 
@@ -67,6 +68,7 @@ jobs:
           node --version
 
       - name: Create and upload release
+        if: steps.check_release_exists.outputs.exists != 'true'
         uses: actions/gitea-release-action@v1
         with:
           name: ${{ steps.check_release.outputs.latest_tag }}