Update dependency stackblur-canvas to v2

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
stackblur-canvas (source)	^1.4.0 -> ^2.0.0

---

Release Notes

flozz/StackBlur

v2.5.0

Compare Source

• Enhancement: boolean arg to skip setting canvas styles (@​LukeeeeBennett)
• Build: As per latest devDeps.
• Docs: Update API docs as per latest

Dev-facing:

• Linting: As per ash-nazg
• npm: Switch to server without reported vulnerabilities
• npm: Switch to pnpm lock
• npm: Update devDeps (and switch to new ash-nazg peerDeps)

v2.4.0

Compare Source

• Enhancement (image): add useOffsetWidth option for scaled images
• Refactoring: Move let to closer/deeper scope
• Linting: As per latest ash-nazg (add or avoid need for disable comments)
• npm: Update devDeps.

v2.3.0

Compare Source

• Build: Update build files per latest devDeps
• Linting (ESLint): Switch to ash-nazg/sauron-node
• Linting (ESLint): Lint MD, HTML, hidden files
• Linting (ESLint): Switch to 2 sp. indent, fix max-len
• Linting (ESLint): Prefer document.querySelector in demo
• Linting (ESLint): Add a recommended extension (js) to eslintrc
• Maintenance: Add .editorconfig
• Mainenance: Use .json extension on .babelrc
• npm: Remove package-lock.json in favor of yarn.lock
• npm: Avoid bundling rollup.config.js
• npm: Move from deprecated opn-cli to open-cli
• npm: Add valid engines (pointing to minimum Node version until may confirm)
• npm: Update devDeps (except jsdoc which seems to still have a problem
  with ESM exports: jsdoc/jsdoc#​1644)

v2.2.0

Compare Source

• Build fix: Target 100% coverage
• Refactoring (minor): x + x -> 2 * x
• npm Add prepublishOnly script for yarn
• npm: Update devDeps (no impact on build)

v2.1.0

Compare Source

• Enhancement: Throw descriptive TypeError rather than silently returning
  upon processCanvasRGB/processCanvasRGBA methods not supplying proper
  canvas (dependent methods will throw anyways, so shouldn't be a
  breaking change)
• Enhancement: Update TypeScript definition (@​Jose Peleteiro)

v2.0.0

Compare Source

• Breaking change: Remove now deprecated Bower
• Fix: Duck type with image or canvas in place of instanceof check
  (and a broken one)
• Enhancement: Add JSDoc comments
• Linting (ESLint): Add ESLint with "standard" base
• Linting (Markdown): Add .remarkrc
• Linting (package.json): Add recommended properties
• Linting (HTML): Add empty favicon to suppress console
• License: Change MIT license file name to reflect license type (MIT)
• Docs: Move changelog to own file: CHANGES.md
• Demo: Move demo to own directory (with static server to avoid Chrome
  security problems reaching out of folder)
• Demo: Move JS and CSS to separate files for easier linting/examination
• Build: Move from Grunt to Rollup, supporting ES6 Modules distribution
  as well as UMD
• Build: Add npm-recommended package-lock.json
• npm: Add start, eslint, rollup, open-docs, docs scripts
• npm: Add module for ES6 module discovery and switch main to point
  to dist

v1.4.1

Compare Source

• Moves grunt-cli to devDependencies (#​23)

---

Configuration

📅 Schedule: At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, click this checkbox.

---

This PR has been generated by WhiteSource Renovate. View repository job log here.