Bump shivammathur/setup-php from 2.21.1 to 2.21.2 (#5238)

Bumps [shivammathur/setup-php](https://github.com/shivammathur/setup-php) from 2.21.1 to 2.21.2.
- [Release notes](https://github.com/shivammathur/setup-php/releases)
- [Commits](https://github.com/shivammathur/setup-php/compare/2.21.1...2.21.2)

---
updated-dependencies:
- dependency-name: shivammathur/setup-php
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/discord-release-notify.yml

@@ -13,7 +13,7 @@ jobs:
       - uses: actions/checkout@v3
 
       - name: Setup PHP and tools
-        uses: shivammathur/setup-php@2.21.1
+        uses: shivammathur/setup-php@2.21.2
         with:
           php-version: 8.0
 

.github/workflows/draft-release.yml

@@ -18,7 +18,7 @@ jobs:
           submodules: true
 
       - name: Setup PHP
-        uses: shivammathur/setup-php@2.21.1
+        uses: shivammathur/setup-php@2.21.2
         with:
           php-version: 8.0
 

.github/workflows/main.yml

@@ -195,7 +195,7 @@ jobs:
       - uses: actions/checkout@v3
 
       - name: Setup PHP and tools
-        uses: shivammathur/setup-php@2.21.1
+        uses: shivammathur/setup-php@2.21.2
         with:
           php-version: 8.0
           tools: php-cs-fixer:3.8