fix: allow all possible workflow input types

Author: pmrotule

action.yml

@@ -24,7 +24,7 @@ inputs:
     description: Workflow to return an ID for. Can be the ID or the workflow filename.
     required: true
   workflow_inputs:
-    description: A flat JSON object, only supports strings (as per workflow inputs API).
+    description: A flat JSON object, only supports strings, numbers, and booleans (as per workflow inputs API).
   workflow_timeout_seconds:
     description: Time until giving up waiting for the start of the workflow run.
     default: 300

src/action.ts

@@ -43,7 +43,7 @@ export interface ActionConfig {
 }
 
 interface ActionWorkflowInputs {
-  [input: string]: string;
+  [input: string]: string | number | boolean;
 }
 
 export enum ActionOutputs {
@@ -93,9 +93,9 @@ function getWorkflowInputs(
     const parsedJson = JSON.parse(workflowInputs);
     for (const key of Object.keys(parsedJson)) {
       const type = typeof parsedJson[key];
-      if (type !== "string") {
+      if (!["string", "number", "boolean"].includes(type)) {
         throw new Error(
-          `Expected values to be strings, ${key} value is ${type}`,
+          `Expected value to be string, number, or boolean. "${key}" value is ${type}`,
         );
       }
     }