fix: make request optional in all cases (#320)

... chore: update gapic-generator-ruby to the latest commit chore: release gapic-generator-typescript 1.5.0

Committer: @miraleung
PiperOrigin-RevId: 380641501

Source-Link: googleapis/googleapis@076f7e9

Source-Link: googleapis/googleapis-gen@27e4c88

src/v1beta1/phishing_protection_service_v1_beta1_client.ts

@@ -279,7 +279,7 @@ export class PhishingProtectionServiceV1Beta1Client {
   // -- Service calls --
   // -------------------
   reportPhishing(
-    request: protos.google.cloud.phishingprotection.v1beta1.IReportPhishingRequest,
+    request?: protos.google.cloud.phishingprotection.v1beta1.IReportPhishingRequest,
     options?: CallOptions
   ): Promise<
     [
@@ -339,7 +339,7 @@ export class PhishingProtectionServiceV1Beta1Client {
    * const [response] = await client.reportPhishing(request);
    */
   reportPhishing(
-    request: protos.google.cloud.phishingprotection.v1beta1.IReportPhishingRequest,
+    request?: protos.google.cloud.phishingprotection.v1beta1.IReportPhishingRequest,
     optionsOrCallback?:
       | CallOptions
       | Callback<