chore: regenerate firebaseappdistribution client (#29516)

Generated in GitHub action: https://togithub.com/googleapis/googleapis/google-api-java-client-services/actions/workflows/codegen.yaml

Author: yoshi-code-bot

clients/google-api-services-firebaseappdistribution/v1alpha/2.0.0/README.md

@@ -22,7 +22,7 @@ Add the following lines to your `pom.xml` file:
     <dependency>
       <groupId>com.google.apis</groupId>
       <artifactId>google-api-services-firebaseappdistribution</artifactId>
-      <version>v1alpha-rev20250912-2.0.0</version>
+      <version>v1alpha-rev20250916-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-firebaseappdistribution:v1alpha-rev20250912-2.0.0'
+  implementation 'com.google.apis:google-api-services-firebaseappdistribution:v1alpha-rev20250916-2.0.0'
 }
 ```
 

clients/google-api-services-firebaseappdistribution/v1alpha/2.0.0/com/google/api/services/firebaseappdistribution/v1alpha/FirebaseAppDistribution.java

@@ -3511,6 +3511,28 @@ public Patch setName(java.lang.String name) {
             return this;
           }
 
+          /**
+           * Optional. If set to true, and the test case is not found, a new test case will be
+           * created.
+           */
+          @com.google.api.client.util.Key
+          private java.lang.Boolean allowMissing;
+
+          /** Optional. If set to true, and the test case is not found, a new test case will be created.
+           */
+          public java.lang.Boolean getAllowMissing() {
+            return allowMissing;
+          }
+
+          /**
+           * Optional. If set to true, and the test case is not found, a new test case will be
+           * created.
+           */
+          public Patch setAllowMissing(java.lang.Boolean allowMissing) {
+            this.allowMissing = allowMissing;
+            return this;
+          }
+
           @Override
           public Patch set(String parameterName, Object value) {
             return (Patch) super.set(parameterName, value);

clients/google-api-services-firebaseappdistribution/v1alpha/2.0.0/pom.xml

@@ -8,8 +8,8 @@
 
   <groupId>com.google.apis</groupId>
   <artifactId>google-api-services-firebaseappdistribution</artifactId>
-  <version>v1alpha-rev20250912-2.0.0</version>
-  <name>Firebase App Distribution API v1alpha-rev20250912-2.0.0</name>
+  <version>v1alpha-rev20250916-2.0.0</version>
+  <name>Firebase App Distribution API v1alpha-rev20250916-2.0.0</name>
   <packaging>jar</packaging>
 
   <inceptionYear>2011</inceptionYear>

clients/google-api-services-firebaseappdistribution/v1alpha/README.md

@@ -22,7 +22,7 @@ Add the following lines to your `pom.xml` file:
     <dependency>
       <groupId>com.google.apis</groupId>
       <artifactId>google-api-services-firebaseappdistribution</artifactId>
-      <version>v1alpha-rev20250912-2.0.0</version>
+      <version>v1alpha-rev20250916-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-firebaseappdistribution:v1alpha-rev20250912-2.0.0'
+  implementation 'com.google.apis:google-api-services-firebaseappdistribution:v1alpha-rev20250916-2.0.0'
 }
 ```