[Automated Workflow] Add/Modify READMEs (#5542)

Regenerated READMEs

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Author: sample-programs-readmes[bot]

archive/c/c-plus-plus/README.md

@@ -72,7 +72,7 @@ For example, the "Hello World" sample would be named this:
 The following list shares details about what we're using to test all Sample Programs in C++:
 
 - Docker Image: gcc
-- Docker Tag: 8.3
+- Docker Tag: 15.2
 
 See the [Glotter2 project](https://github.com/rzuckerm/glotter2) for more information on how to create a testinfo file.
 

archive/c/c/README.md

@@ -67,7 +67,7 @@ For example, the "Hello World" sample would be named this:
 The following list shares details about what we're using to test all Sample Programs in C:
 
 - Docker Image: gcc
-- Docker Tag: 8.3
+- Docker Tag: 15.2
 
 See the [Glotter2 project](https://github.com/rzuckerm/glotter2) for more information on how to create a testinfo file.