fix(render-image): warn with source position on unresolved local images

BREAKING CHANGE:

Requires Hugo v0.160

modules/blox/hugo.yaml

@@ -103,7 +103,7 @@ params:
     address_format: en-us
 module:
   hugoVersion:
-    min: "0.158.0"
+    min: "0.160.0"
     extended: true
   imports:
     - path: github.com/HugoBlox/kit/modules/analytics

modules/blox/layouts/_markup/render-image.html

@@ -58,6 +58,9 @@
                {{- with $img_class }} class="{{.}}"{{end}} />
         {{- end }}
       {{- else -}}
+        {{- if not $is_remote -}}
+          {{- warnf "render-image: could not resolve local image %q — %s" $destination .Position -}}
+        {{- end -}}
         <img src="{{ $destination | safeURL }}" alt="{{ $alt }}" loading="lazy" {{ if $zoom }}data-zoomable{{end}}
              {{- with $width }} width="{{.}}"{{end}} {{- with $height }} height="{{.}}"{{end}}
              {{- with $img_class }} class="{{.}}"{{end}} />