Full check 7 (rerun-io#5955)

### What

Using `jq -r` to print unquoted output

### Checklist
* [ ] I have read and agree to [Contributor
Guide](https://github.com/rerun-io/rerun/blob/main/CONTRIBUTING.md) and
the [Code of
Conduct](https://github.com/rerun-io/rerun/blob/main/CODE_OF_CONDUCT.md)
* [ ] I've included a screenshot or gif (if applicable)
* [ ] I have tested the web demo (if applicable):
* Using examples from latest `main` build:
[rerun.io/viewer](https://rerun.io/viewer/pr/{{pr.number}}?manifest_url=https://app.rerun.io/version/main/examples_manifest.json)
* Using full set of examples from `nightly` build:
[rerun.io/viewer](https://rerun.io/viewer/pr/{{pr.number}}?manifest_url=https://app.rerun.io/version/nightly/examples_manifest.json)
* [ ] The PR title and labels are set such as to maximize their
usefulness for the next release's CHANGELOG
* [ ] If applicable, add a new check to the [release
checklist](https://github.com/rerun-io/rerun/blob/main/tests/python/release_checklist)!

- [PR Build Summary](https://build.rerun.io/pr/{{ pr.number }})
- [Recent benchmark results](https://build.rerun.io/graphs/crates.html)
- [Wasm size tracking](https://build.rerun.io/graphs/sizes.html)

To run all checks from `main`, comment on the PR with `@rerun-bot
full-check`.

.github/workflows/on_pr_comment.yml

@@ -71,7 +71,7 @@ jobs:
           }
 
           workflow_name='on_push_main.yml'
-          ref_name=$(gh pr view ${{ github.event.issue.number }} --json headRefName | jq '.headRefName')
+          ref_name=$(gh pr view ${{ github.event.issue.number }} --json headRefName | jq -r '.headRefName')
           now=$(date --utc --iso-8601=seconds)
 
           echo "Dispatching workflow $workflow_name on branch $ref_name"
@@ -85,12 +85,12 @@ jobs:
           echo "Fetching workflow run id…"
           run_info=$(get_latest_workflow_run $workflow_name $ref_name $now)
           echo $run_info
-          run_id=$(echo $run_info | jq '.[0].databaseId')
+          run_id=$(echo $run_info | jq -r '.[0].databaseId')
           while [ -z $run_id ]
           do
             run_info=$(get_latest_workflow_run $workflow_name $ref_name $now)
             echo $run_info
-            run_id=$(echo $run_info | jq '.[0].databaseId')
+            run_id=$(echo $run_info | jq -r '.[0].databaseId')
             sleep 1
           done
           echo "Workflow run: https://github.com/rerun-io/rerun/actions/runs/$run_id"

README.md

@@ -130,3 +130,6 @@ facilitates the tool's discovery by other researchers.
 1. Download the correct `.whl` from [GitHub Releases](https://github.com/rerun-io/rerun/releases)
 2. Run `pip install rerun_sdk<…>.whl` (replace `<…>` with the actual filename)
 3. Test it: `rerun --version`
+
+
+### Test