Update esp32-hal requirement from 0.12 to 0.13 in /tests/xtensa

Updates the requirements on [esp32-hal](https://github.com/esp-rs/esp-hal) to permit the latest version.
- [Release notes](https://github.com/esp-rs/esp-hal/releases)
- [Changelog](https://github.com/esp-rs/esp-hal/blob/main/CHANGELOG.md)
- [Commits](https://github.com/esp-rs/esp-hal/commits)

---
updated-dependencies:
- dependency-name: esp32-hal
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

tests/xtensa/Cargo.toml

@@ -15,7 +15,7 @@ paste = "1"
 
 [target.xtensa-esp32-none-elf.dependencies]
 esp-println = { version = "0.5", default-features = false, features = ["uart", "esp32"] }
-esp32-hal = "0.12"
+esp32-hal = "0.13"
 xtensa-lx-rt = { version = "0.15", features = ["esp32"] }
 
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