Update ruby

Changes:

- https://github.com/docker-library/ruby/commit/74a48e2: Update 3.1 to 3.1.6

library/ruby

@@ -94,32 +94,32 @@ Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, s390x
 GitCommit: 53646d3dc96008bd20218a4d9aeb5695619fb4f7
 Directory: 3.2/alpine3.19
 
-Tags: 3.1.5-bookworm, 3.1-bookworm, 3.1.5, 3.1
+Tags: 3.1.6-bookworm, 3.1-bookworm, 3.1.6, 3.1
 Architectures: amd64, arm32v5, arm32v7, arm64v8, i386, mips64le, ppc64le, s390x
-GitCommit: 53646d3dc96008bd20218a4d9aeb5695619fb4f7
+GitCommit: 74a48e2248ff94c6ebf93958070bafaf5cbdffcc
 Directory: 3.1/bookworm
 
-Tags: 3.1.5-slim-bookworm, 3.1-slim-bookworm, 3.1.5-slim, 3.1-slim
+Tags: 3.1.6-slim-bookworm, 3.1-slim-bookworm, 3.1.6-slim, 3.1-slim
 Architectures: amd64, arm32v5, arm32v7, arm64v8, i386, mips64le, ppc64le, s390x
-GitCommit: 53646d3dc96008bd20218a4d9aeb5695619fb4f7
+GitCommit: 74a48e2248ff94c6ebf93958070bafaf5cbdffcc
 Directory: 3.1/slim-bookworm
 
-Tags: 3.1.5-bullseye, 3.1-bullseye
+Tags: 3.1.6-bullseye, 3.1-bullseye
 Architectures: amd64, arm32v5, arm32v7, arm64v8, i386, mips64le, ppc64le, s390x
-GitCommit: 53646d3dc96008bd20218a4d9aeb5695619fb4f7
+GitCommit: 74a48e2248ff94c6ebf93958070bafaf5cbdffcc
 Directory: 3.1/bullseye
 
-Tags: 3.1.5-slim-bullseye, 3.1-slim-bullseye
+Tags: 3.1.6-slim-bullseye, 3.1-slim-bullseye
 Architectures: amd64, arm32v5, arm32v7, arm64v8, i386, mips64le, ppc64le, s390x
-GitCommit: 53646d3dc96008bd20218a4d9aeb5695619fb4f7
+GitCommit: 74a48e2248ff94c6ebf93958070bafaf5cbdffcc
 Directory: 3.1/slim-bullseye
 
-Tags: 3.1.5-alpine3.20, 3.1-alpine3.20, 3.1.5-alpine, 3.1-alpine
+Tags: 3.1.6-alpine3.20, 3.1-alpine3.20, 3.1.6-alpine, 3.1-alpine
 Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, riscv64, s390x
-GitCommit: a4c6c26df171630eca259b1254a8b374c2eb0a43
+GitCommit: 74a48e2248ff94c6ebf93958070bafaf5cbdffcc
 Directory: 3.1/alpine3.20
 
-Tags: 3.1.5-alpine3.19, 3.1-alpine3.19
+Tags: 3.1.6-alpine3.19, 3.1-alpine3.19
 Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: 53646d3dc96008bd20218a4d9aeb5695619fb4f7
+GitCommit: 74a48e2248ff94c6ebf93958070bafaf5cbdffcc
 Directory: 3.1/alpine3.19