[clang] [clang] Increase the default expression nesting limit (PR #104717)

[Nathan Gauër via cfe-commits]

Keenuts wrote:

```
$ ./build/bin/clang -fsyntax-only -DHUGE 2>&1 clang/test/Parser/parser_overflow.c -fbracket-depth=2048
Segmentation fault

$ ./build/bin/clang -fsyntax-only -DHUGE 2>&1 clang/test/Parser/parser_overflow.c -fbracket-depth=2045
clang/test/Parser/parser_overflow.c:11:2049: fatal error: bracket nesting level exceeded maximum of 2045
Segmentation fault

$ ./build/bin/clang -fsyntax-only -DHUGE 2>&1 clang/test/Parser/parser_overflow.c -fbracket-depth=2040
clang/test/Parser/parser_overflow.c:11:2044: fatal error: bracket nesting level exceeded maximum of 2040
clang/test/Parser/parser_overflow.c:11:2044: note: use -fbracket-depth=N to increase maximum nesting level
1 error generated.
```

Any number under 2046 is fine on my debug build.

https://github.com/llvm/llvm-project/pull/104717