Update golang

Changes:

- https://github.com/docker-library/golang/commit/11e7f70: Merge pull request https://github.com/docker-library/golang/pull/361 from infosiftr/stretch
- https://github.com/docker-library/golang/commit/312517a: Add "stretch" variants

library/golang

@@ -1,4 +1,4 @@
-# this file is generated via https://github.com/docker-library/golang/blob/b36af443fb19f5d7d036e8bc787e3e40862cd550/generate-stackbrew-library.sh
+# this file is generated via https://github.com/docker-library/golang/blob/312517a2094ec399778c7dbb6799188dc4017bb7/generate-stackbrew-library.sh
 
 Maintainers: Tianon Gravi <[email protected]> (@tianon),
              Joseph Ferguson <[email protected]> (@yosifkit),
@@ -11,6 +11,11 @@ Architectures: amd64, arm32v5, arm32v7, arm64v8, i386, mips64le, ppc64le, s390x
 GitCommit: 01c68e748081c5878806f4e384351b7e66781711
 Directory: 1.16/buster
 
+Tags: 1.16.0-stretch, 1.16-stretch, 1-stretch, stretch
+Architectures: amd64, arm32v7, arm64v8, i386
+GitCommit: 312517a2094ec399778c7dbb6799188dc4017bb7
+Directory: 1.16/stretch
+
 Tags: 1.16.0-alpine3.13, 1.16-alpine3.13, 1-alpine3.13, alpine3.13, 1.16.0-alpine, 1.16-alpine, 1-alpine, alpine
 Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, s390x
 GitCommit: 01c68e748081c5878806f4e384351b7e66781711
@@ -48,6 +53,11 @@ Architectures: amd64, arm32v5, arm32v7, arm64v8, i386, mips64le, ppc64le, s390x
 GitCommit: 01c68e748081c5878806f4e384351b7e66781711
 Directory: 1.15/buster
 
+Tags: 1.15.8-stretch, 1.15-stretch
+Architectures: amd64, arm32v7, arm64v8, i386
+GitCommit: 312517a2094ec399778c7dbb6799188dc4017bb7
+Directory: 1.15/stretch
+
 Tags: 1.15.8-alpine3.13, 1.15-alpine3.13, 1.15.8-alpine, 1.15-alpine
 Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, s390x
 GitCommit: 01c68e748081c5878806f4e384351b7e66781711