tests/xtensa: Update esp-println requirement from 0.12 to 0.13 (#44)

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Taiki Endo <te316e89@gmail.com>

tests/xtensa/Cargo.toml

@@ -11,13 +11,13 @@ atomic-maybe-uninit = { path = "../.." }
 paste = "1"
 
 [target.xtensa-esp32-none-elf.dependencies]
-esp-println = { version = "0.12", default-features = false, features = ["uart", "esp32"] }
+esp-println = { version = "0.13", default-features = false, features = ["uart", "esp32"] }
 esp-hal = { version = "0.23", features = ["esp32"] }
 [target.xtensa-esp32s2-none-elf.dependencies]
-esp-println = { version = "0.12", default-features = false, features = ["uart", "esp32s2"] }
+esp-println = { version = "0.13", default-features = false, features = ["uart", "esp32s2"] }
 esp-hal = { version = "0.23", features = ["esp32s2"] }
 [target.xtensa-esp32s3-none-elf.dependencies]
-esp-println = { version = "0.12", default-features = false, features = ["uart", "esp32s3"] }
+esp-println = { version = "0.13", default-features = false, features = ["uart", "esp32s3"] }
 esp-hal = { version = "0.23", features = ["esp32s3"] }
 
 [lints]