GH Actions: minor simplification

No need for the `experimental` key, we can just refer directly to the `matrix.php` version in the `continue-on-error` condition.

Author: jrfnl

Diff for: .github/workflows/release.yml

@@ -49,7 +49,7 @@ jobs:
   verify:
     name: Validate binary on PHP ${{ matrix.php }}
     runs-on: ubuntu-latest
-    continue-on-error: ${{ matrix.experimental == true }}
+    continue-on-error: ${{ matrix.php == '8.2' }}
     needs:
       - bundle
 
@@ -68,10 +68,6 @@ jobs:
           - '8.1'
           - '8.2'
 
-        include:
-          - php: '8.2'
-            experimental: true
-
     steps:
       - name: Checkout code
         uses: actions/checkout@v2

Diff for: .github/workflows/test.yml

@@ -75,7 +75,7 @@ jobs:
   test:
     name: Run tests on PHP ${{ matrix.php }}
     runs-on: ubuntu-latest
-    continue-on-error: ${{ matrix.experimental == true }}
+    continue-on-error: ${{ matrix.php == '8.2' }}
     needs:
       - bundle
 
@@ -95,10 +95,6 @@ jobs:
           - '8.1'
           - '8.2'
 
-        include:
-          - php: '8.2'
-            experimental: true
-
     steps:
       - name: Checkout code
         uses: actions/checkout@v2