cargo: bump panic-halt from 0.2.0 to 1.0.0 in /src/bare-metal/alloc-example (#2458)

Bumps [panic-halt](https://github.com/korken89/panic-halt) from 0.2.0 to
1.0.0.

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

src/bare-metal/alloc-example/Cargo.lock

@@ -8,7 +8,7 @@ publish = false
 
 [dependencies]
 buddy_system_allocator = "0.11.0"
-panic-halt = "0.2.0"
+panic-halt = "1.0.0"
 
 [profile.dev]
 panic = "abort"