chore: Upgrade dependencies

[schneiderstefan]

Upgrades pocket-ic, ic-cdk, candid, and rust versions.

[github-actions]

canbench 🏋 (dir: ./examples/btreemap_vs_hashmap) 73e30e8 2026-05-07 14:30:48 UTC

✅ ./examples/btreemap_vs_hashmap/canbench_results.yml is up to date
📦 canbench_results_btreemap-vs-hashmap-example.csv available in artifacts

---------------------------------------------------

Summary:
  instructions:
    status:   Regressions and improvements 🔴🟢
    counts:   [total 3 | regressed 1 | improved 2 | new 0 | unchanged 0]
    change:   [max +171.45M | p75 +38.15M | median -95.15M | p25 -319.82M | min -544.50M]
    change %: [max +6.70% | p75 -6.42% | median -19.54% | p25 -22.68% | min -25.82%]

  heap_increase:
    status:   No significant changes 👍
    counts:   [total 3 | regressed 0 | improved 0 | new 0 | unchanged 3]
    change:   [max 0 | p75 0 | median 0 | p25 -1 | min -1]
    change %: [max 0.00% | p75 0.00% | median 0.00% | p25 -0.06% | min -0.11%]

  stable_memory_increase:
    status:   No significant changes 👍
    counts:   [total 3 | regressed 0 | improved 0 | new 0 | unchanged 3]
    change:   [max 0 | p75 0 | median 0 | p25 0 | min 0]
    change %: [max 0.00% | p75 0.00% | median 0.00% | p25 0.00% | min 0.00%]

---------------------------------------------------

Only significant changes:
| status | name                               | calls |     ins |  ins Δ% |  HI |  HI Δ% | SMI |  SMI Δ% |
|--------|------------------------------------|-------|---------|---------|-----|--------|-----|---------|
|   +    | insert_users                       |       |   2.73B |  +6.70% | 871 | -0.11% |   0 |   0.00% |
|   -    | pre_upgrade_bench                  |       | 391.74M | -19.54% | 519 |  0.00% | 184 |   0.00% |
|   -    | pre_upgrade_bench::serialize_state |     1 | 328.80M | -22.44% | 519 |  0.00% |   0 |   0.00% |
|   -    | remove_users                       |       |   1.56B | -25.82% |   0 |  0.00% |   0 |   0.00% |

ins = instructions, HI = heap_increase, SMI = stable_memory_increase, Δ% = percent change

---------------------------------------------------
CSV results saved to canbench_results.csv

[github-actions]

canbench 🏋 (dir: ./examples/fibonacci) 73e30e8 2026-05-07 14:30:46 UTC

✅ ./examples/fibonacci/canbench_results.yml is up to date
📦 canbench_results_fibonacci-example.csv available in artifacts

---------------------------------------------------

Summary:
  instructions:
    status:   No significant changes 👍
    counts:   [total 5 | regressed 0 | improved 0 | new 0 | unchanged 5]
    change:   [max 0 | p75 0 | median 0 | p25 0 | min 0]
    change %: [max 0.00% | p75 0.00% | median 0.00% | p25 0.00% | min 0.00%]

  heap_increase:
    status:   No significant changes 👍
    counts:   [total 5 | regressed 0 | improved 0 | new 0 | unchanged 5]
    change:   [max 0 | p75 0 | median 0 | p25 0 | min 0]
    change %: [max 0.00% | p75 0.00% | median 0.00% | p25 0.00% | min 0.00%]

  stable_memory_increase:
    status:   No significant changes 👍
    counts:   [total 5 | regressed 0 | improved 0 | new 0 | unchanged 5]
    change:   [max 0 | p75 0 | median 0 | p25 0 | min 0]
    change %: [max 0.00% | p75 0.00% | median 0.00% | p25 0.00% | min 0.00%]

---------------------------------------------------
CSV results saved to canbench_results.csv