docs: Document setting TARGET_ARCH for running make image locally on Mac with Apple chip (argoproj#25334)

Signed-off-by: Regina Voloshin <regina.voloshin@codefresh.io>
Co-authored-by: Dan Garfield <dan.garfield@octopus.com>

Author: reggie-k

docs/developer-guide/running-locally.md

@@ -208,6 +208,13 @@ If you don't set `IMAGE_TAG` in your environment, the default of `:latest` will
 export IMAGE_TAG=1.5.0-myrc
 ```
 
+> [!NOTE]
+> The image will be built for `linux/amd64` platform by default. If you are running on Mac with Apple chip (ARM),
+> you need to specify the correct buld platform by running:
+> ```bash
+> export TARGET_ARCH=linux/arm64 
+> ```
+
 Then you can build & push the image in one step:
 
 ```bash