log the input context as well as the final context (#39)

src/context.ts

@@ -125,9 +125,11 @@ export function sanitizeInputs(inputs: Inputs) {
 }
 
 export async function getArgs(inputs: Inputs, toolkit: Toolkit): Promise<Array<string>> {
+  core.info(`Inputs.context: ${inputs.context}`);
   const context = handlebars.compile(inputs.context)({
     defaultContext: Context.gitContext()
   });
+  core.info(`Final context: ${context}`);
   // prettier-ignore
   return [
     ...await getBuildArgs(inputs, context, toolkit),