games/anki: Extend memory usage of NodeJS during build

• Set a higher value for V8's old memory to fix OOM issues during build:

[...]
vite v6.3.6 building for production...
transforming...

<--- Last few GCs --->

[85302:0x40cbfe36a000] 61573 ms: Mark-Compact (reduce) 505.7 (525.0) -> 502.2 (512.8) MB, pooled: 0 MB, 53.70 / 0.00 ms (+ 530.4 ms in 111 steps since start of marking, biggest step 5.2 ms, walltime since start of marking 659 ms) (average mu = 0.194, [85302:0x40cbfe36a000] 62211 ms: Mark-Compact 503.3 (512.8) -> 498.8 (515.5) MB, pooled: 0 MB, 631.85 / 0.00 ms (average mu = 0.113, current mu = 0.009) allocation failure; scavenge might not succeed

FATAL ERROR: Ineffective mark-compacts near heap limit Allocation failed - JavaScript heap out of memory

• Native stack trace -----
  
  1: 0x19a5b74 node::OOMErrorHandler(char const*, v8::OOMDetails const&) [/usr/local/bin/node] 2: 0x1be1c44 node::inspector::protocol::IO::DomainDispatcherImpl::~DomainDispatcherImpl() [/usr/local/bin/node] 3: 0x1e1a6b0 v8::internal::HeapLayout::CheckYoungGenerationConsistency(v8::internal::MemoryChunk const*) [/usr/local/bin/node] 4: 0x1e1d5f4 v8::internal::HeapLayout::CheckYoungGenerationConsistency(v8::internal::MemoryChunk const*) [/usr/local/bin/node] 5: 0x1e2dfbc v8::internal::StrongRootAllocatorBase::deallocate_impl(unsigned long*, unsigned long) [/usr/local/bin/node]

error Command failed with signal "SIGABRT".
[...]

Reported by: pkg-fallout