matrix: updated versions in Alpine docker images

docker/README.md

@@ -5,14 +5,14 @@
 | Ubuntu 18.04 | latest-ubuntu   | 7.9.dev    | 4.9.3 | 2.2.3 | 1.8.0 | 1.04 GB    |
 | Ubuntu 19.10 | latest-ubuntu19 | 7.9.dev    | 5.2.0 | 2.4.2 | 1.9.1 |  850 MB    |
 | Debian 10.1  | latest-debian   | 7.9.dev    | 5.2.0 | 2.4.0 | 1.8.0 | 1.14 GB    |
-| Alpine 3.11  | latest-alpine   | 7.9.dev    | 6.2.1 | 3.0.3 | 1.8.0 |  385 MB    |
+| Alpine 3.11  | latest-alpine   | 7.9.dev    | 7.0.1 | 3.1.1 | 2.1.0 |  385 MB    |
 |--------------|-----------------|------------|-------|-------|-------|------------|
 | Ubuntu 18.04 | stable-ubuntu   | 7.8 branch | 4.9.3 | 2.2.3 | 1.8.0 | 1.04 GB    |
 | Ubuntu 19.10 | stable-ubuntu19 | 7.8 branch | 5.2.0 | 2.4.2 | 1.9.1 |  850 MB    |
 | Debian 10.1  | stable-debian   | 7.8 branch | 5.2.0 | 2.4.0 | 1.8.0 | 1.14 GB    |
-| Alpine 3.11  | stable-alpine   | 7.8 branch | 6.2.1 | 3.0.3 | 1.8.0 |  385 MB    |
+| Alpine 3.11  | stable-alpine   | 7.8 branch | 7.0.1 | 3.1.1 | 2.1.0 |  385 MB    |
 
-Latest update: 10 May 2020
+Last update: 12 July 2020
 
 # Requirements