chore(main): release 2.60.2 (#3864)

🤖 I have created a release *beep* *boop*
---


<details><summary>2.60.2</summary>

##
[2.60.2](v2.60.1...v2.60.2)
(2025-07-22)


### Dependencies

* update arrow.version to 17.0.0, auth deps to 1.37.1 and http-client
deps to 1.47.1
([#3863](#3863))
([b5bb3ca](b5bb3ca))
</details>

---
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Please](https://github.com/googleapis/release-please). See
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Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>

Author: release-please[bot]

gapic-generator-java-bom/pom.xml

@@ -127,12 +127,12 @@
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-iam-v3</artifactId>
-        <version>1.54.2-SNAPSHOT</version><!-- {x-version-update:proto-google-iam-v3:current} -->
+        <version>1.54.2</version><!-- {x-version-update:proto-google-iam-v3:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-iam-v3beta</artifactId>
-        <version>1.54.2-SNAPSHOT</version><!-- {x-version-update:proto-google-iam-v3beta:current} -->
+        <version>1.54.2</version><!-- {x-version-update:proto-google-iam-v3beta:current} -->
       </dependency>
 
       <!-- Following test deps are kept to keep them consistent with versions above -->
@@ -164,12 +164,12 @@
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-iam-v3</artifactId>
-        <version>1.54.2-SNAPSHOT</version><!-- {x-version-update:grpc-google-iam-v3:current} -->
+        <version>1.54.2</version><!-- {x-version-update:grpc-google-iam-v3:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-iam-v3beta</artifactId>
-        <version>1.54.2-SNAPSHOT</version><!-- {x-version-update:grpc-google-iam-v3beta:current} -->
+        <version>1.54.2</version><!-- {x-version-update:grpc-google-iam-v3beta:current} -->
       </dependency>
     </dependencies>
 

java-iam/pom.xml

@@ -145,12 +145,12 @@
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-iam-v3</artifactId>
-        <version>1.54.2-SNAPSHOT</version><!-- {x-version-update:proto-google-iam-v3:current} -->
+        <version>1.54.2</version><!-- {x-version-update:proto-google-iam-v3:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-iam-v3</artifactId>
-        <version>1.54.2-SNAPSHOT</version><!-- {x-version-update:grpc-google-iam-v3:current} -->
+        <version>1.54.2</version><!-- {x-version-update:grpc-google-iam-v3:current} -->
       </dependency>
       <dependency>
         <groupId>javax.annotation</groupId>