Bazel: Harmonize library names

Consistently user dash character as delimiter in rule names, like it is
done for other dependencies in this plugin and Gerrit core.

Change-Id: I2697dd75421a24fcf777aedf986d6f9641c64e02
diff --git a/BUILD b/BUILD
index 852122a..79d7250 100644
--- a/BUILD
+++ b/BUILD
@@ -21,7 +21,7 @@
         "@curator-client//jar",
         "@curator-framework//jar",
         "@curator-recipes//jar",
-        "@kafka_client//jar",
+        "@kafka-client//jar",
         "@zookeeper//jar",
     ],
 )
@@ -47,7 +47,7 @@
         ":multi-site__plugin",
         "@mockito//jar",
         "@wiremock//jar",
-        "@kafka_client//jar",
+        "@kafka-client//jar",
         "@testcontainers-kafka//jar",
         "//lib/testcontainers",
         "@curator-framework//jar",
diff --git a/external_plugin_deps.bzl b/external_plugin_deps.bzl
index 92389c7..b81ac57 100644
--- a/external_plugin_deps.bzl
+++ b/external_plugin_deps.bzl
@@ -12,8 +12,8 @@
         artifact = "org.mockito:mockito-core:2.27.0",
         sha1 = "835fc3283b481f4758b8ef464cd560c649c08b00",
         deps = [
-            "@byte_buddy//jar",
-            "@byte_buddy_agent//jar",
+            "@byte-buddy//jar",
+            "@byte-buddy-agent//jar",
             "@objenesis//jar",
         ],
     )
@@ -22,13 +22,13 @@
     CURATOR_VER = "4.2.0"
 
     maven_jar(
-        name = "byte_buddy",
+        name = "byte-buddy",
         artifact = "net.bytebuddy:byte-buddy:" + BYTE_BUDDY_VER,
         sha1 = "211a2b4d3df1eeef2a6cacf78d74a1f725e7a840",
     )
 
     maven_jar(
-        name = "byte_buddy_agent",
+        name = "byte-buddy-agent",
         artifact = "net.bytebuddy:byte-buddy-agent:" + BYTE_BUDDY_VER,
         sha1 = "9674aba5ee793e54b864952b001166848da0f26b",
     )
@@ -40,7 +40,7 @@
     )
 
     maven_jar(
-        name = "kafka_client",
+        name = "kafka-client",
         artifact = "org.apache.kafka:kafka-clients:2.1.0",
         sha1 = "34d9983705c953b97abb01e1cd04647f47272fe5",
     )