Update ruby

Changes:

- https://github.com/docker-library/ruby/commit/5fccac5: Update to 3.0.2
- https://github.com/docker-library/ruby/commit/108e3c2: Update to 2.6.8
- https://github.com/docker-library/ruby/commit/9b48d74: Update to 2.7.4

library/ruby

@@ -4,72 +4,72 @@ Maintainers: Tianon Gravi <[email protected]> (@tianon),
              Joseph Ferguson <[email protected]> (@yosifkit)
 GitRepo: https://github.com/docker-library/ruby.git
 
-Tags: 3.0.1-buster, 3.0-buster, 3-buster, buster, 3.0.1, 3.0, 3, latest
+Tags: 3.0.2-buster, 3.0-buster, 3-buster, buster, 3.0.2, 3.0, 3, latest
 Architectures: amd64, arm32v5, arm32v7, arm64v8, i386, mips64le, ppc64le, s390x
-GitCommit: 3904524e5d9e538b33525a602a4bcb7618aff8b6
+GitCommit: 5fccac58c3d04a118b65053a0b7d9f9e5df2f68a
 Directory: 3.0/buster
 
-Tags: 3.0.1-slim-buster, 3.0-slim-buster, 3-slim-buster, slim-buster, 3.0.1-slim, 3.0-slim, 3-slim, slim
+Tags: 3.0.2-slim-buster, 3.0-slim-buster, 3-slim-buster, slim-buster, 3.0.2-slim, 3.0-slim, 3-slim, slim
 Architectures: amd64, arm32v5, arm32v7, arm64v8, i386, mips64le, ppc64le, s390x
-GitCommit: 3904524e5d9e538b33525a602a4bcb7618aff8b6
+GitCommit: 5fccac58c3d04a118b65053a0b7d9f9e5df2f68a
 Directory: 3.0/buster/slim
 
-Tags: 3.0.1-alpine3.13, 3.0-alpine3.13, 3-alpine3.13, alpine3.13, 3.0.1-alpine, 3.0-alpine, 3-alpine, alpine
+Tags: 3.0.2-alpine3.13, 3.0-alpine3.13, 3-alpine3.13, alpine3.13, 3.0.2-alpine, 3.0-alpine, 3-alpine, alpine
 Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: 3904524e5d9e538b33525a602a4bcb7618aff8b6
+GitCommit: 5fccac58c3d04a118b65053a0b7d9f9e5df2f68a
 Directory: 3.0/alpine3.13
 
-Tags: 3.0.1-alpine3.12, 3.0-alpine3.12, 3-alpine3.12, alpine3.12
+Tags: 3.0.2-alpine3.12, 3.0-alpine3.12, 3-alpine3.12, alpine3.12
 Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: 3904524e5d9e538b33525a602a4bcb7618aff8b6
+GitCommit: 5fccac58c3d04a118b65053a0b7d9f9e5df2f68a
 Directory: 3.0/alpine3.12
 
-Tags: 2.7.3-buster, 2.7-buster, 2-buster, 2.7.3, 2.7, 2
+Tags: 2.7.4-buster, 2.7-buster, 2-buster, 2.7.4, 2.7, 2
 Architectures: amd64, arm32v5, arm32v7, arm64v8, i386, mips64le, ppc64le, s390x
-GitCommit: 3904524e5d9e538b33525a602a4bcb7618aff8b6
+GitCommit: 9b48d740b4d936bfbffd04f8a7255771cbda0656
 Directory: 2.7/buster
 
-Tags: 2.7.3-slim-buster, 2.7-slim-buster, 2-slim-buster, 2.7.3-slim, 2.7-slim, 2-slim
+Tags: 2.7.4-slim-buster, 2.7-slim-buster, 2-slim-buster, 2.7.4-slim, 2.7-slim, 2-slim
 Architectures: amd64, arm32v5, arm32v7, arm64v8, i386, mips64le, ppc64le, s390x
-GitCommit: 3904524e5d9e538b33525a602a4bcb7618aff8b6
+GitCommit: 9b48d740b4d936bfbffd04f8a7255771cbda0656
 Directory: 2.7/buster/slim
 
-Tags: 2.7.3-alpine3.13, 2.7-alpine3.13, 2-alpine3.13, 2.7.3-alpine, 2.7-alpine, 2-alpine
+Tags: 2.7.4-alpine3.13, 2.7-alpine3.13, 2-alpine3.13, 2.7.4-alpine, 2.7-alpine, 2-alpine
 Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: 3904524e5d9e538b33525a602a4bcb7618aff8b6
+GitCommit: 9b48d740b4d936bfbffd04f8a7255771cbda0656
 Directory: 2.7/alpine3.13
 
-Tags: 2.7.3-alpine3.12, 2.7-alpine3.12, 2-alpine3.12
+Tags: 2.7.4-alpine3.12, 2.7-alpine3.12, 2-alpine3.12
 Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: 3904524e5d9e538b33525a602a4bcb7618aff8b6
+GitCommit: 9b48d740b4d936bfbffd04f8a7255771cbda0656
 Directory: 2.7/alpine3.12
 
-Tags: 2.6.7-buster, 2.6-buster, 2.6.7, 2.6
+Tags: 2.6.8-buster, 2.6-buster, 2.6.8, 2.6
 Architectures: amd64, arm32v5, arm32v7, arm64v8, i386, mips64le, ppc64le, s390x
-GitCommit: 3904524e5d9e538b33525a602a4bcb7618aff8b6
+GitCommit: 108e3c2f9cdcfd1a4aeab5169e394b1d738e8c84
 Directory: 2.6/buster
 
-Tags: 2.6.7-slim-buster, 2.6-slim-buster, 2.6.7-slim, 2.6-slim
+Tags: 2.6.8-slim-buster, 2.6-slim-buster, 2.6.8-slim, 2.6-slim
 Architectures: amd64, arm32v5, arm32v7, arm64v8, i386, mips64le, ppc64le, s390x
-GitCommit: 3904524e5d9e538b33525a602a4bcb7618aff8b6
+GitCommit: 108e3c2f9cdcfd1a4aeab5169e394b1d738e8c84
 Directory: 2.6/buster/slim
 
-Tags: 2.6.7-stretch, 2.6-stretch
+Tags: 2.6.8-stretch, 2.6-stretch
 Architectures: amd64, arm32v5, arm32v7, arm64v8, i386
-GitCommit: 3904524e5d9e538b33525a602a4bcb7618aff8b6
+GitCommit: 108e3c2f9cdcfd1a4aeab5169e394b1d738e8c84
 Directory: 2.6/stretch
 
-Tags: 2.6.7-slim-stretch, 2.6-slim-stretch
+Tags: 2.6.8-slim-stretch, 2.6-slim-stretch
 Architectures: amd64, arm32v5, arm32v7, arm64v8, i386
-GitCommit: 3904524e5d9e538b33525a602a4bcb7618aff8b6
+GitCommit: 108e3c2f9cdcfd1a4aeab5169e394b1d738e8c84
 Directory: 2.6/stretch/slim
 
-Tags: 2.6.7-alpine3.13, 2.6-alpine3.13, 2.6.7-alpine, 2.6-alpine
+Tags: 2.6.8-alpine3.13, 2.6-alpine3.13, 2.6.8-alpine, 2.6-alpine
 Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: 3904524e5d9e538b33525a602a4bcb7618aff8b6
+GitCommit: 108e3c2f9cdcfd1a4aeab5169e394b1d738e8c84
 Directory: 2.6/alpine3.13
 
-Tags: 2.6.7-alpine3.12, 2.6-alpine3.12
+Tags: 2.6.8-alpine3.12, 2.6-alpine3.12
 Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: 3904524e5d9e538b33525a602a4bcb7618aff8b6
+GitCommit: 108e3c2f9cdcfd1a4aeab5169e394b1d738e8c84
 Directory: 2.6/alpine3.12