Fix Query Rules validation

[pquentin]

For reference, now that we can use Query Rules YAML tests, here is the current validation status:

API	Status	Request	Response	Stability	Visibility
delete_rule	🟢	6/6	6/6	stable	public
delete_ruleset	🟢	7/7	7/7	stable	public
get_rule	🔴	5/5	3/5	stable	public
get_ruleset	🔴	8/8	5/8	stable	public
list_rulesets	🔴	7/7	1/7	stable	public
put_rule	🔴	0/7	7/7	stable	public
put_ruleset	🔴	4/10	10/10	stable	public
Summary	🔴	74%	78%

With only looking at docs and validation errors (not the code), I've fixed validation of all APIs in four commits:

• 0ce3f1c (#2677) Add missing priority field
• 0053366 (#2677) Add fuzzy criteria type
• c7d91cb (#2677) Allow criteria and rules to be single objects. I'm not sure we actually want to allow that, but the YAML tests make use of it.
• 8a54468 (#2677) Fix type of rule_criteria_type_counts

[github-actions]

Following you can find the validation results for the APIs you have changed.

API	Status	Request	Response
query_rules.delete_rule	🟢	6/6	6/6
query_rules.delete_ruleset	🟢	7/7	7/7
query_rules.get_rule	🟢	5/5	5/5
query_rules.get_ruleset	🟢	8/8	8/8
query_rules.list_rulesets	🟢	7/7	7/7
query_rules.put_rule	🟢	7/7	7/7
query_rules.put_ruleset	🟢	10/10	10/10

You can validate these APIs yourself by using the make validate target.

[flobernd]

LGTM! Thank you 🙂

[pquentin]

Since this is not urgent, I'd like to wait a few working days before merging in order to give @kderusso a change to review this.

[l-trotta]

very nice :D

[kderusso]

Thanks for resolving this!