deps: update V8 to 12.2

[targos]

Main change that affects us: v8/v8@12203e0

Some flaky tests.
I would really appreciate help to investigate these. Node.js 22 is coming close!

12:33:52 not ok 3759 parallel/test-worker-arraybuffer-zerofill
12:33:52   ---
12:33:52   duration_ms: 120024.23700
12:33:52   severity: fail
12:33:52   exitcode: -15
12:33:52   stack: |-
12:33:52     timeout
12:33:52   ...

12:40:34 not ok 3756 parallel/test-net-write-fully-async-hex-string
12:40:34   ---
12:40:34   duration_ms: 120066.81500
12:40:34   severity: fail
12:40:34   exitcode: -15
12:40:34   stack: |-
12:40:34     timeout
12:40:34   ...

18:25:43 not ok 2444 parallel/test-shadow-realm-gc-module
18:25:43   ---
18:25:43   duration_ms: 6465.44100
18:25:43   severity: crashed
18:25:43   exitcode: -6
18:25:43   stack: |-
18:25:43     
18:25:43     <--- Last few GCs --->
18:25:43     .6[1674180:0x7f32cac7f000]     5861 ms: Mark-Compact 18.1 (48.4) -> 15.5 (49.2) MB, pooled: 0 MB, 5.89 / 0.01 ms  (+ 16.5 ms in 0 steps since start of marking, biggest step 0.0 ms, walltime since start of marking 26 ms) (average mu = 0.722, current mu = 0.7[1674180:0x7f32cac7f000]     6033 ms: Mark-Compact 22.4 (50.2) -> 18.8 (52.7) MB, pooled: 0 MB, 33.08 / 0.01 ms  (+ 29.2 ms in 0 steps since start of marking, biggest step 0.0 ms, walltime since start of marking 134 ms) (average mu = 0.666, current mu = 0
18:25:43     
18:25:43     <--- JS stacktrace --->
18:25:43     
18:25:43     FATAL ERROR: Reached heap limit Allocation failed - JavaScript heap out of memory
18:25:43     ----- Native stack trace -----
18:25:43     
18:25:43   ...

18:46:01 not ok 2691 parallel/test-shadow-realm-gc
18:46:01   ---
18:46:01   duration_ms: 3138.09900
18:46:01   severity: crashed
18:46:01   exitcode: -11
18:46:01   stack: |-