Bump Ubuntu Version in GH Actions (Close #146)

PR #147
- Bump Ubuntu versions
- Drop EoL PHP Versions

Author: Jack-Keene

.github/workflows/cd.yml

@@ -7,7 +7,7 @@ on:
 
 jobs:
   release:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
 
     steps:
     - name: Checkout

.github/workflows/ci.yml

@@ -8,10 +8,10 @@ on:
 
 jobs:
   build:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     strategy:
       matrix:
-        php: ['7.4', '8.1']
+        php: ['8.1', '8.2', '8.3', '8.4', 'latest']
 
     steps:
     - name: Checkout

.github/workflows/snyk.yml

@@ -6,7 +6,7 @@ on:
 
 jobs:
   security:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
 
     steps:
     - uses: actions/checkout@v2