Fix timeout types of bigtable export job (#3389)

Author: mutianf

v1/pom.xml

@@ -36,7 +36,7 @@
   <properties>
     <open-census.version>0.31.1</open-census.version>
     <!-- TODO: check if this could be declared on a Beam BOM instead of here -->
-    <bigtable-beam-import.version>2.16.0</bigtable-beam-import.version>
+    <bigtable-beam-import.version>2.16.1</bigtable-beam-import.version>
     <protobuf.version>4.29.4</protobuf.version>
     <junit.jupiter.version>6.0.1</junit.jupiter.version>
     <codehaus-jackson.version>1.9.13</codehaus-jackson.version>

v1/src/main/java/com/google/cloud/teleport/templates/ExportJobPlaceholder.java

@@ -147,15 +147,15 @@ protected interface ExportJobPlaceholderOptions {
         optional = true,
         description = "Bigtable read Rpc timeout",
         helpText = "Bigtable read RPC timeout in milliseconds.")
-    ValueProvider<Integer> getBigtableReadRpcTimeoutMs();
+    ValueProvider<String> getBigtableReadRpcTimeoutMs();
 
     @TemplateParameter.Text(
         order = 12,
         groupName = "Source",
         optional = true,
         description = "Bigtable read Rpc attempt timeout",
         helpText = "Bigtable read RPC attempt timeout in milliseconds.")
-    ValueProvider<Integer> getBigtableReadRpcAttemptTimeoutMs();
+    ValueProvider<String> getBigtableReadRpcAttemptTimeoutMs();
 
     @TemplateCreationParameter(value = "false")
     @Description("Wait for pipeline to finish.")