ci: upgrade for 8.4

Author: Greg Bowler

.github/workflows/ci.yml

@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        php: [ 8.1, 8.2 ]
+        php: [ 8.1, 8.2, 8.3, 8.4 ]
 
     steps:
       - uses: actions/checkout@v3
@@ -37,7 +37,7 @@ jobs:
     needs: [ composer ]
     strategy:
       matrix:
-        php: [ 8.1, 8.2 ]
+        php: [ 8.1, 8.2, 8.3, 8.4 ]
 
     outputs:
       coverage: ${{ steps.store-coverage.outputs.coverage_text }}
@@ -90,7 +90,7 @@ jobs:
     needs: [ composer ]
     strategy:
       matrix:
-        php: [ 8.1, 8.2 ]
+        php: [ 8.1, 8.2, 8.3, 8.4 ]
 
     steps:
       - uses: actions/download-artifact@v3
@@ -112,7 +112,7 @@ jobs:
     needs: [ composer ]
     strategy:
       matrix:
-        php: [ 8.1, 8.2 ]
+        php: [ 8.1, 8.2, 8.3, 8.4 ]
 
     steps:
       - uses: actions/download-artifact@v3
@@ -136,7 +136,7 @@ jobs:
     needs: [ composer ]
     strategy:
       matrix:
-        php: [ 8.1, 8.2 ]
+        php: [ 8.1, 8.2, 8.3, 8.4 ]
 
     steps:
       - uses: actions/download-artifact@v3