Update coursier to v2.1.0-RC6 (#868)

private/versions.bzl

@@ -1,8 +1,8 @@
-_COURSIER_CLI_VERSION = "v2.1.0-RC2"
+_COURSIER_CLI_VERSION = "v2.1.0-RC6"
 
 COURSIER_CLI_HTTP_FILE_NAME = ("coursier_cli_" + _COURSIER_CLI_VERSION).replace(".", "_").replace("-", "_")
 COURSIER_CLI_GITHUB_ASSET_URL = "https://github.com/coursier/coursier/releases/download/{COURSIER_CLI_VERSION}/coursier.jar".format(COURSIER_CLI_VERSION = _COURSIER_CLI_VERSION)
 
 # Run 'bazel run //:mirror_coursier' to upload a copy of the jar to the Bazel mirror.
 COURSIER_CLI_BAZEL_MIRROR_URL = "https://mirror.bazel.build/coursier_cli/" + COURSIER_CLI_HTTP_FILE_NAME + ".jar"
-COURSIER_CLI_SHA256 = "2188e58a31a34251b5898358245a5cf7db5d03440d354cc2b1bbd15a260b936b"
+COURSIER_CLI_SHA256 = "1b49a7bcbcc595fe1123a5c069816ae31efe6a9625b15dd6fa094f7ff439175e"

tests/custom_maven_install/regression_testing_install.json

@@ -1,7 +1,7 @@
 {
   "__AUTOGENERATED_FILE_DO_NOT_MODIFY_THIS_FILE_MANUALLY": "THERE_IS_NO_DATA_ONLY_ZUUL",
   "__INPUT_ARTIFACTS_HASH": 187641354,
-  "__RESOLVED_ARTIFACTS_HASH": -1034639872,
+  "__RESOLVED_ARTIFACTS_HASH": 657948899,
   "artifacts": {
     "android.arch.core:common": {
       "shasums": {
@@ -551,9 +551,9 @@
     },
     "com.nimbusds:nimbus-jose-jwt": {
       "shasums": {
-        "jar": "b1ca9bcb720e07918bef901aa500baf57a6a1c764c10ad8a8be9310d88158bdc"
+        "jar": "e0d1d9beafde7ebd46b69246bffd73dcb33409ea4ab7b91ac5622b1e6766f34e"
       },
-      "version": "9.25.6"
+      "version": "9.31"
     },
     "com.nimbusds:oauth2-oidc-sdk": {
       "shasums": {
@@ -2676,6 +2676,9 @@
       "com.nimbusds.jose.shaded.gson.reflect",
       "com.nimbusds.jose.shaded.gson.stream",
       "com.nimbusds.jose.util",
+      "com.nimbusds.jose.util.cache",
+      "com.nimbusds.jose.util.events",
+      "com.nimbusds.jose.util.health",
       "com.nimbusds.jwt",
       "com.nimbusds.jwt.proc",
       "com.nimbusds.jwt.util"