[AUTOPATCHER-kernel] Kernel upgrade to version 5.15.176.3 - branch main

[CBL-Mariner-Bot]

[AUTOPATCHER-kernel] Kernel upgrade to version 5.15.176.3 - branch main
Upgrade pipeline run -> https://dev.azure.com/mariner-org/mariner/_build/results?buildId=732639&view=results

buddy build -> https://dev.azure.com/mariner-org/mariner/_build/results?buildId=732659&view=results

[rlmenge]

This booted in both a Cobalt ARM vm and Standard x86 VM and were able to complete sysbench and unixbench tests
x86

*** Smoke Testing Kernel 5.15.176.3-1.cm2 (est. < 1 min) ***
PASS: Kernel version matches the running kernel version.
PASS: eth0 interface is up.
PASS: iptables service is running.
Boot times:
Startup finished in 995ms (kernel) + 1.237s (initrd) + 4.484s (userspace) = 6.718s 
multi-user.target reached after 4.141s in userspace
Kernel size:
-rw------- 1 root root 12881344 Feb 10 19:21 /boot/vmlinuz-5.15.176.3-1.cm2
kernel memory:
MemTotal:       32602416 kB
MemFree:        31574508 kB
MemAvailable:   31840596 kB
Total memory:
               total        used        free      shared  buff/cache   available
Mem:           31838         375       30834          39         628       31094
Swap:              0           0           0

Cobalt

** Smoke Testing Kernel 5.15.176.3-1.cm2 (est. < 1 min) ***
PASS: Kernel version matches the running kernel version.
PASS: eth0 interface is up.
PASS: iptables service is running.
Boot times:
Startup finished in 958ms (kernel) + 1.301s (initrd) + 4.949s (userspace) = 7.209s 
multi-user.target reached after 4.714s in userspace
Kernel size:
-rw------- 1 root root 43909632 Feb 10 19:12 /boot/vmlinuz-5.15.176.3-1.cm2
kernel memory:
MemTotal:       395188720 kB
MemFree:        391474468 kB
MemAvailable:   390131212 kB
Total memory:
               total        used        free      shared  buff/cache   available
Mem:          385926        3178      382298           1         449      380987
Swap:              0           0           0