chore: Change repo config and curation to warning

Because a repository configuration or curation may be purposeful,
declare a `WARNING` instead of `ERROR` for the evaluator.

Resolves oss-review-toolkit/ort#7753

Signed-off-by: Scott Schreckengaust <scottschreckengaust@users.noreply.github.com>

Author: scottschreckengaust

evaluator.rules.kts

@@ -1369,7 +1369,7 @@ fun RuleSet.noLicenseInDependencyRule() = dependencyRule("NO_LICENSE_IN_DEPENDEN
 
 fun RuleSet.packageConfigurationInOrtYmlRule() = ortResultRule("PACKAGE_CONFIGURATION_IN_ORT_YML") {
     if (ortResult.repository.config.packageConfigurations.isNotEmpty()) {
-        error(
+        warning(
             "The use of package configurations is not allowed in the *.ort.yml file.",
             "Please use a global package configuration in the $ortConfigVcsMdLink."
         )
@@ -1378,7 +1378,7 @@ fun RuleSet.packageConfigurationInOrtYmlRule() = ortResultRule("PACKAGE_CONFIGUR
 
 fun RuleSet.packageCurationInOrtYmlRule() = ortResultRule("PACKAGE_CURATION_IN_ORT_YML") {
     if (ortResult.repository.config.curations.packages.isNotEmpty()) {
-        error(
+        warning(
             "The use of package curations is not allowed in the *.ort.yml file.",
             "Please use a global package curation in the $ortConfigVcsMdLink."
         )