Update perl version in protoc.Dockerfile

The older version was causing build failures.

Signed-off-by: Eric Ball <eball@linuxfoundation.org>
Change-Id: I2031a78fdabc760ea3b0a8fc5b8b5064cd81f925
diff --git a/docker/protoc.Dockerfile b/docker/protoc.Dockerfile
index 71a794f..acb1bb9 100644
--- a/docker/protoc.Dockerfile
+++ b/docker/protoc.Dockerfile
@@ -45,7 +45,7 @@
     git=2.52.0-r0 \
     cmake=4.1.3-r0 \
     linux-headers=6.16.12-r0 \
-    perl=5.42.0-r0
+    perl=5.42.2-r0
 
 WORKDIR /src