Update kernel-samsung.yml

changed 916b to oneui8, was oneui7, oops

.github/workflows/kernel-samsung.yml

@@ -39,7 +39,7 @@ jobs:
           - branch: "SM-A566B"
             android_version: "android15"
             kernel_version: "6.6"
-          - branch: "SM-S916B-Oneui7"
+          - branch: "SM-S916B-Oneui8"
             android_version: "android13"
             kernel_version: "5.15"