Make the Github organization name all lowercase to fix parsing error

Reference: apptainer/apptainer#2272 (comment)

Author: ringods

.ci/scripts/release.bash

@@ -7,7 +7,7 @@ pushd updatecli
 
 : "${POLICIES_ROOT_DIR:=policies}"
 : "${POLICY_ERROR:=false}"
-: "${OCI_REPOSITORY:=ghcr.io/ContainerCraft/updatecli-policies}"
+: "${OCI_REPOSITORY:=ghcr.io/containercraft/updatecli-policies}"
 
 : "${GITHUB_REGISTRY:=}"