Update linux-build.yml

.github/workflows/linux-build.yml

@@ -50,7 +50,7 @@ jobs:
           KSER=$(curl -s https://cdn.kernel.org/pub/linux/kernel/ | grep -o 'v[0-9]\+\.[0-9a-zA-Z]\+/' | sed 's/\/\s*//' | sort -t. -k2,2V -k3,3V -k4,4V | tail -n 1 | sed 's/v//')
         fi
         if [ "$KVER" == "latest" ]; then
-          KVER=$(curl -s https://cdn.kernel.org/pub/linux/kernel/v$KSER/ | grep -o 'linux-[0-9]\+\.[0-9]\+\.[0-9]\+\.tar\.xz' | sort -t- -k2,2n -k3,3n -k4,4n | tail -n 1)
+          KVER=$(curl -s https://cdn.kernel.org/pub/linux/kernel/v$KSER/ | grep -o 'linux-[0-9]\+\.[0-9]\+\.[0-9]\+\.tar\.xz' | sort -t- -k2,2n -k3,3n -k4,4n | tail -n 1 | sed 's/linux-\(.*\)\.tar\.xz/\1/')
         fi
         install -d kernel
         curl -s https://cdn.kernel.org/pub/linux/kernel/v$KSER/linux-$KVER.tar.xz | tar -C kernel --strip-components=1 -xJ