Bump up chronicle-map to 3.20.84

Also bump up its dependencies to match the Bill Of Materials[1]

[1]https://search.maven.org/artifact/net.openhft/chronicle-bom/2.20.191/pom

Change-Id: Ia1cb5979ff504c8614c00c8c453798e62a9c5bb2

external_plugin_deps.bzl

diff --git a/external_plugin_deps.bzl b/external_plugin_deps.bzl
index 06f1fd9..90174bc 100644
--- a/external_plugin_deps.bzl
+++ b/external_plugin_deps.bzl
@@ -1,64 +1,64 @@
 load("//tools/bzl:maven_jar.bzl", "maven_jar")
 
 # Ensure artifacts compatibility by selecting them from the Bill Of Materials
-# https://search.maven.org/artifact/net.openhft/chronicle-bom/2.19.283/pom
+# https://search.maven.org/artifact/net.openhft/chronicle-bom/2.20.191/pom
 def external_plugin_deps():
     maven_jar(
         name = "chronicle-map",
-        artifact = "net.openhft:chronicle-map:3.19.40",
-        sha1 = "820edb9aad86adb2a836b4f66a878d6101bbee54",
+        artifact = "net.openhft:chronicle-map:3.20.84",
+        sha1 = "a4549f64d41e7f379d48cfee432f210c0ed563e1",
     )
 
     maven_jar(
         name = "chronicle-core",
-        artifact = "net.openhft:chronicle-core:2.19.50",
-        sha1 = "71234f0116eceda4034cddceb79cd924cea5c4be",
+        artifact = "net.openhft:chronicle-core:2.20.122",
+        sha1 = "aa9dcde008938f5c845b98a6b8f74b25a4689c7c",
     )
 
     maven_jar(
         name = "chronicle-wire",
-        artifact = "net.openhft:chronicle-wire:2.19.45",
-        sha1 = "1ec0da34391b57a3c1809b1e139caf0371784bc4",
+        artifact = "net.openhft:chronicle-wire:2.20.111",
+        sha1 = "4002820daefe5694ecd73b640afd26fa32534959",
     )
 
     maven_jar(
         name = "chronicle-bytes",
-        artifact = "net.openhft:chronicle-bytes:2.19.46",
-        sha1 = "790a1c374f008f97202dd94ec8435edfce798cd0",
+        artifact = "net.openhft:chronicle-bytes:2.20.106",
+        sha1 = "6e4c01ea06ec005ca79ee694efa0a90634b6169e",
     )
 
     maven_jar(
         name = "chronicle-algo",
-        artifact = "net.openhft:chronicle-algorithms:2.19.40",
-        sha1 = "9445d2c48468a32c54d631e3908c4362a2bbac2c",
+        artifact = "net.openhft:chronicle-algorithms:2.20.80",
+        sha1 = "60b86a584d272aae6b7a80f6c7859c689a7199be",
     )
 
     maven_jar(
         name = "chronicle-values",
-        artifact = "net.openhft:chronicle-values:2.19.41",
-        sha1 = "f8bb874bbd67ceabd5166510043b5473e66285f4",
+        artifact = "net.openhft:chronicle-values:2.20.80",
+        sha1 = "2cd2bceaa3f0bcdd4470311c05daafbc188b57e2",
     )
 
     maven_jar(
         name = "chronicle-threads",
-        artifact = "net.openhft:chronicle-threads:2.19.47",
-        sha1 = "ef25ab51b795551e4c7bf3f80acde9b5364a3641",
+        artifact = "net.openhft:chronicle-threads:2.20.104",
+        sha1 = "53295d10b1eb63c1f6bb1a8a58e6889567ae6355",
     )
 
     maven_jar(
         name = "javapoet",
-        artifact = "com.squareup:javapoet:1.12.1",
-        sha1 = "e0e49f502697522ef047470b117ff81edc9f9a07",
+        artifact = "com.squareup:javapoet:1.13.0",
+        sha1 = "d6562d385049f35eb50403fa86bb11cce76b866a",
     )
 
     maven_jar(
         name = "jna-platform",
-        artifact = "net.java.dev.jna:jna-platform:5.5.0",
-        sha1 = "af38e7c4d0fc73c23ecd785443705bfdee5b90bf",
+        artifact = "net.java.dev.jna:jna-platform:5.6.0",
+        sha1 = "d18424ffb8bbfd036d71bcaab9b546858f2ef986",
     )
 
     maven_jar(
         name = "dev-jna",
-        artifact = "net.java.dev.jna:jna:5.5.0",
-        sha1 = "0e0845217c4907822403912ad6828d8e0b256208",
+        artifact = "net.java.dev.jna:jna:5.6.0",
+        sha1 = "330f2244e9030119ab3030fc3fededc86713d9cc",
     )