github-actions(deps): bump shivammathur/setup-php from 2.10.0 to 2.15.0

Bumps [shivammathur/setup-php](https://github.com/shivammathur/setup-php) from 2.10.0 to 2.15.0.
- [Release notes](https://github.com/shivammathur/setup-php/releases)
- [Commits](shivammathur/setup-php@2.10.0...2.15.0)

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

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

.github/workflows/integrate.yaml

@@ -37,7 +37,7 @@ jobs:
           strict: true
 
       - name: "Install PHP with extensions"
-        uses: "shivammathur/setup-php@2.10.0"
+        uses: "shivammathur/setup-php@2.15.0"
         with:
           coverage: "none"
           extensions: "${{ env.PHP_EXTENSIONS }}"
@@ -103,7 +103,7 @@ jobs:
         uses: "actions/checkout@v2.3.4"
 
       - name: "Install PHP with extensions"
-        uses: "shivammathur/setup-php@2.10.0"
+        uses: "shivammathur/setup-php@2.15.0"
         with:
           coverage: "none"
           extensions: "${{ env.PHP_EXTENSIONS }}"
@@ -170,7 +170,7 @@ jobs:
         uses: "actions/checkout@v2.3.4"
 
       - name: "Install PHP with extensions"
-        uses: "shivammathur/setup-php@2.10.0"
+        uses: "shivammathur/setup-php@2.15.0"
         with:
           coverage: "none"
           extensions: "${{ env.PHP_EXTENSIONS }}"