chore(ci): drop PHP 7.0

Signed-off-by: Jack Cherng <[email protected]>

Author: jfcherng

.github/workflows/ci.yml

@@ -12,7 +12,7 @@ jobs:
       fail-fast: false
       matrix:
         machine: ['ubuntu-18.04']
-        php-version: ['7.0', '7.1', '7.2', '7.3', '7.4']
+        php-version: ['7.1', '7.2', '7.3', '7.4']
         run-job: ['env.1', 'env.2']
         experimental: [false]
         include: