Update bazel and rules_docker to latest version (#2972)

**What this PR does / why we need it**:

**Which issue(s) this PR fixes**:

Fixes #

**Does this PR introduce a user-facing change?**:
<!--
If no, just write "NONE" in the release-note block below.
-->
```release-note
NONE
```

This PR was merged by Kapetanios.

Author: nghialv

.bazelversion

@@ -1 +1 @@
-4.2.1
+4.2.2

WORKSPACE

@@ -105,9 +105,9 @@ buildifier_dependencies()
 ### Docker
 http_archive(
     name = "io_bazel_rules_docker",
-    sha256 = "4349f2b0b45c860dd2ffe18802e9f79183806af93ce5921fb12cbd6c07ab69a8",
-    strip_prefix = "rules_docker-0.21.0",
-    urls = ["https://github.com/bazelbuild/rules_docker/releases/download/v0.21.0/rules_docker-v0.21.0.tar.gz"],
+    sha256 = "59536e6ae64359b716ba9c46c39183403b01eabfbd57578e84398b4829ca499a",
+    strip_prefix = "rules_docker-0.22.0",
+    urls = ["https://github.com/bazelbuild/rules_docker/releases/download/v0.22.0/rules_docker-v0.22.0.tar.gz"],
 )
 
 load(