Make batch affect both memos and effects

[lukechu10]

Also simplifies effects by simply making them into memos that have a value of ().

Follow-up to #626 Supersedes #601

[github-actions[bot]]

Benchmark Report

• wasm-bindgen: the performance goal
• baseline: performance of sycamore-baseline (typically latest master)
• update: performance of sycamore (typically recent changes)
• diff: measures the improvement of update over the baseline

  
  @@                           Performance Diff                           @@

| wasm-bindgen | baseline | update | diff

########################################################################## 01_run1k | 11.30 | 22.21 | 22.00 | -0.97% 02_replace1k | 18.72 | 38.56 | 38.04 | -1.35%

• 03_update10th1k_x16 | 10.28 | 16.12 | 11.86 | -26.42% 04_select1k | 1.90 | 31.47 | 30.53 | -2.99%
• 05_swap1k | 0.78 | 2.55 | 2.43 | -4.98%
• 06_remove-one-1k | 0.81 | 3.18 | 2.68 | -15.87% 07_create10k | 112.91 | 270.80 | 275.39 | +1.70% 08_create1k-after1k_x2 | 21.43 | 49.09 | 49.83 | +1.51%
• 09_clear1k_x8 | 61.85 | 69.92 | 76.33 | +9.18% 21_ready-memory | 1.71 | 1.75 | 1.75 | -0.02% 22_run-memory | 2.96 | 4.91 | 4.85 | -1.31% 23_update5-memory | 2.93 | 5.02 | 4.96 | -1.24%
• 25_run-clear-memory | 1.81 | 3.66 | 3.54 | -3.42% 26_run-10k-memory | 14.90 | 41.81 | 41.18 | -1.50%
• 31_startup-ci | 1964.75 | 1914.44 | 2269.83 | +18.56%
• 32_startup-bt | 24.15 | 35.69 | 71.14 | +99.36% 33_startup-mainthreadcost | 318.23 | 380.62 | 381.69 | +0.28% 34_startup-totalbytes | 185.58 | 300.35 | 299.27 | -0.36%

  
  Workflow: [6433913291](/sycamore-rs/sycamore/actions/runs/6433913291)
  *Adding new commits will generate a new report*