Add support for custom secretRef keys

charts/supabase/templates/analytics/deployment.yaml

charts/supabase/templates/auth/deployment.yaml

charts/supabase/templates/db/deployment.yaml

charts/supabase/templates/functions/deployment.yaml

charts/supabase/templates/kong/deployment.yaml

charts/supabase/templates/meta/deployment.yaml

charts/supabase/templates/realtime/deployment.yaml

charts/supabase/templates/rest/deployment.yaml

charts/supabase/templates/secrets/analytics.yaml

charts/supabase/templates/secrets/dashboard.yaml

charts/supabase/templates/secrets/db.yaml

charts/supabase/templates/secrets/jwt.yaml

charts/supabase/templates/secrets/s3.yaml

charts/supabase/templates/secrets/smtp.yaml

charts/supabase/templates/storage/deployment.yaml

charts/supabase/templates/studio/deployment.yaml

charts/supabase/templates/test/db.yaml

charts/supabase/templates/vector/deployment.yaml

charts/supabase/values.yaml