Update GRPC version to 1.29.0

Version 1.25.0 of grpc does not support Apple silicon, causing local
builds to fail on newer Macbooks.  This is resolved in verson 1.29.0

Issue-ID: CCSDK-3860
Signed-off-by: Dan Timoney <dtimoney@att.com>
Change-Id: Ib76fba09bfd965d115d2697536f7aefef7ed5ff7
diff --git a/dependencies-bom/pom.xml b/dependencies-bom/pom.xml
index dc9bed4..00e387e 100644
--- a/dependencies-bom/pom.xml
+++ b/dependencies-bom/pom.xml
@@ -101,7 +101,7 @@
             <dependency>
                 <groupId>io.grpc</groupId>
                 <artifactId>grpc-bom</artifactId>
-                <version>1.25.0</version>
+                <version>1.29.0</version>
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>