Update tools API mount point

• /ensembl-web-resolver/kustomization.yaml
• /ensembl-web-resolver/configmap.yaml
• /ensembl-web-resolver/deployment.yaml
• /ensembl-web-resolver/ingress.yaml
• /ensembl-web-resolver/service.yaml

requested review from @andres and @kamal

changed target branch from master to k8s123-migration

approved this merge request

mentioned in commit 67e8754d

merged