optimize psalm workflow running

.github/workflows/static-analysis.yml

@@ -1,13 +1,15 @@
 ---
 
-on:  # yamllint disable-line rule:truthy
-  pull_request:
+on:
+  push:
+    branches:
+      - '4.*'
     paths:
       - 'src/**'
       - '.php-cs-fixer.dist.php'
       - 'psalm*'
       - 'composer.*'
-  push:
+  pull_request:
     paths:
       - 'src/**'
       - '.php-cs-fixer.dist.php'
@@ -40,7 +42,7 @@ jobs:
         uses: shivammathur/[email protected]
         with:
           php-version: ${{ matrix.php-version }}
-          extensions: none, ctype, curl, dom, json, mbstring, phar, simplexml, tokenizer, xml, xmlwriter, sockets, opcache, pcntl, posix
+          extensions: none, ctype, curl, dom, json, mbstring, phar, simplexml, tokenizer, xml, xmlwriter, sockets, opcache, pcntl, posix, pdo
           ini-values: error_reporting=E_ALL
           coverage: none
 

composer.json

@@ -37,6 +37,7 @@
         "cs:fix": "php-cs-fixer fix -v",
         "psalm": "psalm",
         "psalm:baseline": "psalm --set-baseline=psalm-baseline.xml",
+        "psalm:ci": "psalm --output-format=github --shepherd --show-info=false --stats --threads=4",
         "test": "phpunit --color=always"
     },
     "minimum-stability": "dev",