resolve dependabot warnings from phpunit etc, move to psalm/phar, move php requirement to ^8.0

Author: DavidGoodwin

composer.json

@@ -4,8 +4,8 @@
     "type": "project",
     "require-dev": {
         "php-parallel-lint/php-parallel-lint": "^1.0",
-        "phpunit/phpunit": "^7.0 | ^8",
-        "vimeo/psalm": "*"
+        "phpunit/phpunit": "^8.5.52 | ^9.6.33",
+        "psalm/phar": "*"
     },
     "license": "GPL v2.0",
     "authors": [
@@ -15,7 +15,7 @@
         }
     ],
     "require": {
-        "php" : "^7.2 | ^8.0",
+        "php" : "^8.0",
         "twig/twig": "^3.0",
         "shardj/zf1-future" : "^1.14.0"
     },
@@ -31,7 +31,7 @@
     },
     "scripts": {
         "lint": "@php vendor/bin/parallel-lint --exclude vendor public include",
-        "psalm": "@php vendor/bin/psalm --show-info=false",
+        "psalm": "@php vendor/bin/psalm.phar --show-info=false",
         "phpunit": "@php vendor/bin/phpunit",
         "test": [
             "@lint",