Update mongo

Changes:

- https://github.com/docker-library/mongo/commit/cc546ae: Update to 4.2.0-rc7
- https://github.com/docker-library/mongo/commit/c09b5f4: Update to 4.2.0~rc7
- https://github.com/docker-library/mongo/commit/a5ed0bd: Update to 4.2.0-rc6
- https://github.com/docker-library/mongo/commit/51b3f98: Update to 4.2.0~rc6

library/mongo

@@ -74,23 +74,23 @@ GitCommit: 385d26429b42f0de1b97b1df48964af8b191f8fe
 Directory: 4.1/windows/windowsservercore-1803
 Constraints: windowsservercore-1803
 
-Tags: 4.2.0-rc5-bionic, 4.2-rc-bionic, rc-bionic
-SharedTags: 4.2.0-rc5, 4.2-rc, rc
+Tags: 4.2.0-rc7-bionic, 4.2-rc-bionic, rc-bionic
+SharedTags: 4.2.0-rc7, 4.2-rc, rc
 # see http://repo.mongodb.org/apt/ubuntu/dists/bionic/mongodb-org/testing/multiverse/
 Architectures: amd64, arm64v8
-GitCommit: e94cbf806caabc1fc46bd50af8ae74347f2b1cf8
+GitCommit: c09b5f4b8fc365194fc8a8cd87d48b9377a23f62
 Directory: 4.2-rc
 
-Tags: 4.2.0-rc5-windowsservercore-ltsc2016, 4.2-rc-windowsservercore-ltsc2016, rc-windowsservercore-ltsc2016
-SharedTags: 4.2.0-rc5-windowsservercore, 4.2-rc-windowsservercore, rc-windowsservercore, 4.2.0-rc5, 4.2-rc, 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
 Architectures: windows-amd64
-GitCommit: 1d1c79cb2cf9e4cafe2d49d5427b8d57286e767f
+GitCommit: cc546ae75d8b49aa1a59285d94a2cd90a19356ce
 Directory: 4.2-rc/windows/windowsservercore-ltsc2016
 Constraints: windowsservercore-ltsc2016
 
-Tags: 4.2.0-rc5-windowsservercore-1803, 4.2-rc-windowsservercore-1803, rc-windowsservercore-1803
-SharedTags: 4.2.0-rc5-windowsservercore, 4.2-rc-windowsservercore, rc-windowsservercore, 4.2.0-rc5, 4.2-rc, rc
+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
 Architectures: windows-amd64
-GitCommit: 1d1c79cb2cf9e4cafe2d49d5427b8d57286e767f
+GitCommit: cc546ae75d8b49aa1a59285d94a2cd90a19356ce
 Directory: 4.2-rc/windows/windowsservercore-1803
 Constraints: windowsservercore-1803