alpine: add 3.20.0 as latest

Also remove the EOL 3.16

library/alpine

@@ -14,22 +14,23 @@ s390x-Directory: s390x/
 i386-Directory: x86/
 amd64-Directory: x86_64/
 
-Tags: 3.19.1, 3.19, 3, latest
-Architectures: arm64v8, arm32v6, arm32v7, ppc64le, s390x, i386, amd64
-GitFetch: refs/heads/v3.19
-GitCommit: 7385303148c97ef32a3f225ec03bafa46b689d12
+Tags: 3.20.0, 3.20, 3, latest
+Architectures: arm64v8, arm32v6, arm32v7, ppc64le, riscv64, s390x, i386, amd64
+GitFetch: refs/heads/v3.20
+GitCommit: 142830f310291a58bea7294cc17ed645697861ca
 arm64v8-Directory: aarch64/
 arm32v6-Directory: armhf/
 arm32v7-Directory: armv7/
 ppc64le-Directory: ppc64le/
+riscv64-Directory: riscv64/
 s390x-Directory: s390x/
 i386-Directory: x86/
 amd64-Directory: x86_64/
 
-Tags: 3.18.6, 3.18
+Tags: 3.19.1, 3.19
 Architectures: arm64v8, arm32v6, arm32v7, ppc64le, s390x, i386, amd64
-GitFetch: refs/heads/v3.18
-GitCommit: 08dbcabbd55e7430a326b582e544c6e1695126f3
+GitFetch: refs/heads/v3.19
+GitCommit: 7385303148c97ef32a3f225ec03bafa46b689d12
 arm64v8-Directory: aarch64/
 arm32v6-Directory: armhf/
 arm32v7-Directory: armv7/
@@ -38,10 +39,10 @@ s390x-Directory: s390x/
 i386-Directory: x86/
 amd64-Directory: x86_64/
 
-Tags: 3.17.7, 3.17
+Tags: 3.18.6, 3.18
 Architectures: arm64v8, arm32v6, arm32v7, ppc64le, s390x, i386, amd64
-GitFetch: refs/heads/v3.17
-GitCommit: 1041155cbf4b410b02729c23a198d632945a1744
+GitFetch: refs/heads/v3.18
+GitCommit: 08dbcabbd55e7430a326b582e544c6e1695126f3
 arm64v8-Directory: aarch64/
 arm32v6-Directory: armhf/
 arm32v7-Directory: armv7/
@@ -50,10 +51,10 @@ s390x-Directory: s390x/
 i386-Directory: x86/
 amd64-Directory: x86_64/
 
-Tags: 3.16.9, 3.16
+Tags: 3.17.7, 3.17
 Architectures: arm64v8, arm32v6, arm32v7, ppc64le, s390x, i386, amd64
-GitFetch: refs/heads/v3.16
-GitCommit: 9c372c82f691cfe76c2058d75e2c4f9cd589d4c5
+GitFetch: refs/heads/v3.17
+GitCommit: 1041155cbf4b410b02729c23a198d632945a1744
 arm64v8-Directory: aarch64/
 arm32v6-Directory: armhf/
 arm32v7-Directory: armv7/