Update mongo

Changes:

- https://github.com/docker-library/mongo/commit/d08fed5: Update to 4.2.0~rc8
- https://github.com/docker-library/mongo/commit/a3a213f: Update to 4.2.0-rc8
- https://github.com/docker-library/mongo/commit/7d69d9f: Update to 4.2.0~rc8

library/mongo

@@ -74,23 +74,23 @@ GitCommit: 385d26429b42f0de1b97b1df48964af8b191f8fe
 Directory: 4.1/windows/windowsservercore-1803
 Constraints: windowsservercore-1803
 
-Tags: 4.2.0-rc7-bionic, 4.2-rc-bionic, rc-bionic
-SharedTags: 4.2.0-rc7, 4.2-rc, rc
+Tags: 4.2.0-rc8-bionic, 4.2-rc-bionic, rc-bionic
+SharedTags: 4.2.0-rc8, 4.2-rc, rc
 # see http://repo.mongodb.org/apt/ubuntu/dists/bionic/mongodb-org/testing/multiverse/
 Architectures: amd64, arm64v8
-GitCommit: c09b5f4b8fc365194fc8a8cd87d48b9377a23f62
+GitCommit: d08fed53123c22ab9ffa94c7a835df19c8145619
 Directory: 4.2-rc
 
-Tags: 4.2.0-rc7-windowsservercore-ltsc2016, 4.2-rc-windowsservercore-ltsc2016, rc-windowsservercore-ltsc2016
-SharedTags: 4.2.0-rc7-windowsservercore, 4.2-rc-windowsservercore, rc-windowsservercore, 4.2.0-rc7, 4.2-rc, rc
+Tags: 4.2.0-rc8-windowsservercore-ltsc2016, 4.2-rc-windowsservercore-ltsc2016, rc-windowsservercore-ltsc2016
+SharedTags: 4.2.0-rc8-windowsservercore, 4.2-rc-windowsservercore, rc-windowsservercore, 4.2.0-rc8, 4.2-rc, rc
 Architectures: windows-amd64
-GitCommit: cc546ae75d8b49aa1a59285d94a2cd90a19356ce
+GitCommit: a3a213fd2b4b2c26c71408761534fc7eaafe517f
 Directory: 4.2-rc/windows/windowsservercore-ltsc2016
 Constraints: windowsservercore-ltsc2016
 
-Tags: 4.2.0-rc7-windowsservercore-1803, 4.2-rc-windowsservercore-1803, rc-windowsservercore-1803
-SharedTags: 4.2.0-rc7-windowsservercore, 4.2-rc-windowsservercore, rc-windowsservercore, 4.2.0-rc7, 4.2-rc, rc
+Tags: 4.2.0-rc8-windowsservercore-1803, 4.2-rc-windowsservercore-1803, rc-windowsservercore-1803
+SharedTags: 4.2.0-rc8-windowsservercore, 4.2-rc-windowsservercore, rc-windowsservercore, 4.2.0-rc8, 4.2-rc, rc
 Architectures: windows-amd64
-GitCommit: cc546ae75d8b49aa1a59285d94a2cd90a19356ce
+GitCommit: a3a213fd2b4b2c26c71408761534fc7eaafe517f
 Directory: 4.2-rc/windows/windowsservercore-1803
 Constraints: windowsservercore-1803