[clang] [clang][analyzer] Move 'alpha.core.FixedAddressDereference' out of alpha (PR #132404)

[Balázs Kéri via cfe-commits]

balazske wrote:

On projects memcached,tmux,curl,twin,vim,openssl,sqlite,ffmpeg,postgres only the following results were found:
| Project | Resolved Reports | New Reports |
|---------|-------------|------------------|
| vim | [1 reports](https://codechecker-demo.eastus.cloudapp.azure.com/Default/reports?run=vim_v8.2.1920_fixedaddr_on_test&newcheck=vim_v8.2.1920_fixedaddr_off_test&diff-type=New) | [2 reports](https://codechecker-demo.eastus.cloudapp.azure.com/Default/reports?run=vim_v8.2.1920_fixedaddr_on_test&newcheck=vim_v8.2.1920_fixedaddr_off_test&diff-type=Resolved) 
| postgres | [0 reports](https://codechecker-demo.eastus.cloudapp.azure.com/Default/reports?run=postgres_REL_13_0_fixedaddr_on_test&newcheck=postgres_REL_13_0_fixedaddr_off_test&diff-type=New) | [3 reports](https://codechecker-demo.eastus.cloudapp.azure.com/Default/reports?run=postgres_REL_13_0_fixedaddr_on_test&newcheck=postgres_REL_13_0_fixedaddr_off_test&diff-type=Resolved) 



https://github.com/llvm/llvm-project/pull/132404