85d2cba801
The change addresses the following warning:
```
tasks.c:5549:40: warning: assignment discards 'volatile' qualifier from
pointer target type [-Wdiscarded-qualifiers]
5549 | pxTaskStatus->pxTopOfStack = pxTCB->pxTopOfStack;
|
```
Also add the "Build Posix_GCC Demo for Coverage Test" in the PR checks
as coverage test target treats warnings as errors and therefore, will
catch such warnings in PR checks.
Signed-off-by: Gaurav Aggarwal <aggarg@amazon.com>