Re-write configure action in JS

configure/index.js

@@ -0,0 +1,27 @@
+const core = require("@actions/core");
+
+const configure = () => {
+	const OP_CONNECT_HOST =
+		core.getInput("connect-host", { required: false }) ||
+		process.env.OP_CONNECT_HOST;
+	const OP_CONNECT_TOKEN =
+		core.getInput("connect-token", { required: false }) ||
+		process.env.OP_CONNECT_TOKEN;
+	const OP_SERVICE_ACCOUNT_TOKEN =
+		core.getInput("service-account-token", { required: false }) ||
+		process.env.OP_SERVICE_ACCOUNT_TOKEN;
+
+	if (OP_CONNECT_HOST) {
+		core.exportVariable("OP_CONNECT_HOST", OP_CONNECT_HOST);
+	}
+
+	if (OP_CONNECT_TOKEN) {
+		core.exportVariable("OP_CONNECT_TOKEN", OP_CONNECT_TOKEN);
+	}
+
+	if (OP_SERVICE_ACCOUNT_TOKEN) {
+		core.exportVariable("OP_SERVICE_ACCOUNT_TOKEN", OP_SERVICE_ACCOUNT_TOKEN);
+	}
+};
+
+configure();