maven: lock image parent to oracle8

library/maven

@@ -18,7 +18,7 @@ Directory: openjdk-11-slim
 
 Tags: 3.6.3-jdk-14, 3.6-jdk-14, 3-jdk-14
 Architectures: amd64
-GitCommit: ccd70a6c5daf631f2cc37b938c624f50a11dc309
+GitCommit: de6edcd9bb1015c65e38bb9c9f7c93b95dc88aa1
 Directory: openjdk-14
 
 Tags: 3.6.3-jdk-8, 3.6-jdk-8, 3-jdk-8
@@ -48,7 +48,7 @@ Directory: openjdk-11-slim
 
 Tags: 3.6.3-openjdk-14, 3.6.3, 3.6.3-openjdk, 3.6-openjdk-14, 3.6, 3.6-openjdk, 3-openjdk-14, 3, latest, 3-openjdk, openjdk
 Architectures: amd64
-GitCommit: ccd70a6c5daf631f2cc37b938c624f50a11dc309
+GitCommit: de6edcd9bb1015c65e38bb9c9f7c93b95dc88aa1
 Directory: openjdk-14
 
 Tags: 3.6.3-openjdk-14-slim, 3.6.3-slim, 3.6-openjdk-14-slim, 3.6-slim, 3-openjdk-14-slim, slim
@@ -58,12 +58,12 @@ Directory: openjdk-14-slim
 
 Tags: 3.6.3-openjdk-15, 3.6-openjdk-15, 3-openjdk-15
 Architectures: amd64, arm64v8
-GitCommit: ccd70a6c5daf631f2cc37b938c624f50a11dc309
+GitCommit: de6edcd9bb1015c65e38bb9c9f7c93b95dc88aa1
 Directory: openjdk-15
 
 Tags: 3.6.3-openjdk-16, 3.6-openjdk-16, 3-openjdk-16
 Architectures: amd64, arm64v8
-GitCommit: 65c18298b104b80fb15deb3d5d69c5ca215db9a2
+GitCommit: de6edcd9bb1015c65e38bb9c9f7c93b95dc88aa1
 Directory: openjdk-16
 
 Tags: 3.6.3-openjdk-8, 3.6-openjdk-8, 3-openjdk-8