ci(pytest): Bump pytest-embedded to 1.12.0 for P4 fixes

Author: lucasssvaz

tests/requirements.txt

@@ -1,7 +1,7 @@
 cryptography==43.0.1
 --only-binary cryptography
 pytest-cov==5.0.0
-pytest-embedded-serial-esp==1.11.8
-pytest-embedded-arduino==1.11.8
-pytest-embedded-wokwi==1.11.8
-pytest-embedded-qemu==1.11.8
+pytest-embedded-serial-esp==1.12.0
+pytest-embedded-arduino==1.12.0
+pytest-embedded-wokwi==1.12.0
+pytest-embedded-qemu==1.12.0