Dev container build failed: Legacy feature 'customizations' not supported. Please check https://containers.dev/features for replacements. If you were hoping to use local Features, remember to prepend your Feature name with "./". Please check https://containers.dev/implementors/features-distribution/#addendum-locally-referenced for more information. (exit code: undefined) Legacy feature 'customizations' not supported. Please check https://containers.dev/features for replacements. If you were hoping to use local Features, remember to prepend your Feature name with "./". Please check https://containers.dev/implementors/features-distribution/#addendum-locally-referenced for more information.