Bump shivammathur/setup-php from 2.17.0 to 2.21.2

[dependabot[bot]]

Bumps shivammathur/setup-php from 2.17.0 to 2.21.2.

Release notes

Sourced from shivammathur/setup-php's releases.

2.21.2

Support Ukraine

---

• Added support for rector in tools input. #627

- name: Setup PHP
  uses: shivammathur/setup-php@v2
  with:
    php-version: 8.1
    tools: rector

• Added support for ast extension on macOS using shivammathur/extensions tap.

- name: Setup PHP
  uses: shivammathur/setup-php@v2
  with:
    php-version: 8.1
    extensions: ast

• Fixed support for symfony-cli on Linux #632

- name: Setup PHP
  uses: shivammathur/setup-php@v2
  with:
    php-version: 8.1
    tools: symfony

• Fixed installing unstable extensions from PECL. #625
• Updated Node.js dependencies.

---

2.21.1

Support Ukraine

... (truncated)

Commits

• e04e1d9 Bump Node.js dependencies
• 52685a3 Add support to install rector in tools input
• 44d81f9 Fix symfony support
• 401bdec Add support for ast from shivammathur/extensions on macOS
• aa82ffc Fix logs in add_pecl_extension
• 7e03c76 Fix extension setup using PECL on Linux and macOS
• 16011a7 Upgrade Node.js dependencies
• 66f2447 Fix reading composer package type for older versions
• e57ea71 Fix scoped tool setup on Windows
• e8ba27f Fail on npm audit again
• Additional commits viewable in compare view

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