doc: warn about CC_DISABLE_BUILD_CACHE_UPLOAD on Nano and Pico plans

Setting this variable on Nano/Pico plans causes an infinite build loop
as these plans always use a dedicated build requiring the build cache.

Author: Julie POUNY

content/doc/administrate/apps-management.md

@@ -30,6 +30,8 @@ Stop functionality is useful during the development of the application to limit
 
 {{< callout type="info" >}}
   If you set [`CC_DISABLE_BUILD_CACHE_UPLOAD`](/doc/develop/env-variables/#settings-you-can-define-using-environment-variables) environment variable to `true`, the cache archive won't be created nor uploaded.
+
+  Nano and Pico plans always use a dedicated build, which requires the build cache. Setting this environment variable on these plans causes deployment to fail.
 {{< /callout >}}
 
 ## Deploy an old commit

content/doc/develop/build-hooks.md

@@ -99,6 +99,8 @@ This hook is perfect for:
 
 {{< callout type="info" >}}
   If you set [\`CC_DISABLE_BUILD_CACHE_UPLOAD\`](/doc/develop/env-variables/#settings-you-can-define-using-environment-variables) environment variable to `true`, the cache archive won't be created nor uploaded.
+
+  Nano and Pico plans always use a dedicated build, which requires the build cache. Setting this environment variable on these plans causes deployment to fail.
 {{< /callout >}}
 
 ### Pre Run