chore: bump @metamsk/network-controller to 21.0.1

[cryptodev-2s]

Description

This PR bumps @metamsk/network-controller to 21.0.1

Related issues

Fixes:

Manual testing steps

Screenshots/Recordings

Before

After

Pre-merge author checklist

• I've followed MetaMask Contributor Docs and MetaMask Extension Coding Standards.
• I've completed the PR template to the best of my ability
• I’ve included tests if applicable
• I’ve documented my code using JSDoc format if applicable
• I’ve applied the right labels on the PR (see labeling guidelines). Not required for external contributors.

Pre-merge reviewer checklist

• I've manually tested the PR (e.g. pull and build branch, run the app, test code being changed).
• I confirm that this PR addresses all acceptance criteria described in the ticket it closes and includes the necessary testing evidence such as recordings and or screenshots.

[github-actions]

CLA Signature Action: All authors have signed the CLA. You may need to manually re-run the blocking PR check if it doesn't pass in a few minutes.

[metamaskbot]

Builds ready [ec5cd0b]

• builds: chrome, firefox
• builds (beta): chrome
• builds (flask): chrome, firefox
• builds (MMI): chrome, firefox
• builds (test): chrome, firefox
• builds (test-flask): chrome, firefox
• build viz: Build System
• mv3: Background Module Init Stats
• mv3: UI Init Stats
• mv3: Module Load Stats
• mv3: Bundle Size Stats
• mv2: E2e Actions Stats
• code coverage: Report
• storybook: Storybook
• typescript migration: Dashboard
• all artifacts
• bundle viz:

  • background: 0, 1, 2, 3, 4, 5, 6, 7
  • common: 0, 1, 10, 11, 12, 2, 3, 4, 5, 6, 7, 8, 9
  • content-script: 0
  • offscreen: 0
  • ui: 0, 1, 10, 11, 12, 2, 3, 4, 5, 6, 7, 8, 9

Page Load Metrics (1985 ± 135 ms)

Platform	Page	Metric	Min (ms)	Max (ms)	Average (ms)	StandardDeviation (ms)	MarginOfError (ms)
Chrome	Home	firstPaint	1578	2692	1994	293	141
		domContentLoaded	1572	2632	1960	286	138
		load	1626	2643	1985	282	135
		domInteractive	23	135	39	24	12
		backgroundConnect	6	90	28	24	12
		firstReactRender	15	66	24	14	7
		getState	25	96	67	24	12
		initialActions	0	1	0	0	0
		loadScripts	1142	2037	1490	224	107
		setupStore	6	68	16	19	9
		uiStartup	1828	3022	2271	325	156

Bundle size diffs [🚀 Bundle size reduced!]

• background: 6 Bytes (0.00%)
• ui: 5 Bytes (0.00%)
• common: -704 Bytes (-0.01%)