Update mariadb

Changes:

- https://github.com/docker-library/mariadb/commit/4c69dec: Update to 1:10.1.44+maria-1~bionic
- https://github.com/docker-library/mariadb/commit/c895fa5: Update to 1:10.4.12+maria~bionic
- https://github.com/docker-library/mariadb/commit/60f6c43: Update to 1:10.3.22+maria~bionic
- https://github.com/docker-library/mariadb/commit/595e0db: Update to 1:10.2.31+maria~bionic

library/mariadb

@@ -4,22 +4,22 @@ Maintainers: Tianon Gravi <[email protected]> (@tianon),
              Joseph Ferguson <[email protected]> (@yosifkit)
 GitRepo: https://github.com/docker-library/mariadb.git
 
-Tags: 10.4.11-bionic, 10.4-bionic, 10-bionic, bionic, 10.4.11, 10.4, 10, latest
+Tags: 10.4.12-bionic, 10.4-bionic, 10-bionic, bionic, 10.4.12, 10.4, 10, latest
 Architectures: amd64, arm64v8, ppc64le
-GitCommit: 2345e98dc89edae8f11c35ad838887f45859de75
+GitCommit: c895fa579e99a69667e14b50c4b9bdb85d4854fe
 Directory: 10.4
 
-Tags: 10.3.21-bionic, 10.3-bionic, 10.3.21, 10.3
+Tags: 10.3.22-bionic, 10.3-bionic, 10.3.22, 10.3
 Architectures: amd64, arm64v8, ppc64le
-GitCommit: 9ddcc2b4b0422a83dafc52e5574474dafc2fa9ca
+GitCommit: 60f6c4349a91904fd94c4dc5bf534bd318000c35
 Directory: 10.3
 
-Tags: 10.2.30-bionic, 10.2-bionic, 10.2.30, 10.2
+Tags: 10.2.31-bionic, 10.2-bionic, 10.2.31, 10.2
 Architectures: amd64, arm64v8, ppc64le
-GitCommit: f03a74b3d8fe11a1da89a6f09dcac734f30dfd50
+GitCommit: 595e0db2db12e2505a35362d9a8138448ebc9ec1
 Directory: 10.2
 
-Tags: 10.1.43-bionic, 10.1-bionic, 10.1.43, 10.1
+Tags: 10.1.44-bionic, 10.1-bionic, 10.1.44, 10.1
 Architectures: amd64, arm64v8, ppc64le
-GitCommit: ad6b97a27e6c09b81fb8d1e091b276b8ca5fff76
+GitCommit: 4c69dec03b0b771563c8474ab358b7812edbfc88
 Directory: 10.1