fix: use array and new pluralized name for credential overrides

Signed-off-by: Nick Hale <[email protected]>

Author: njhale

src/gptscript.ts

@@ -37,7 +37,7 @@ export interface RunOpts {
 	chatState?: string
 	confirm?: boolean
 	prompt?: boolean
-	credentialOverride?: string
+	credentialOverrides?: string[]
 	env?: string[]
 
 	APIKey?: string

tests/gptscript.test.ts

@@ -111,7 +111,7 @@ describe("gptscript module", () => {
 
 		const result = await (await g.run(testGptPath, {
       disableCache: true,
-      credentialOverride: 'test.ts.credential_override:TEST_CRED=foo',
+      credentialOverrides: ['test.ts.credential_override:TEST_CRED=foo'],
     })).text()
 
 		expect(result).toBeDefined()