Update dependencies and drop PHP 7.1

Author: mmoll

.travis.yml

@@ -3,7 +3,6 @@ os:
   - linux
 language: php
 php:
-  - 7.1
   - 7.2
   - 7.3
   - 7.4
@@ -23,7 +22,7 @@ cache:
 before_script:
   - if [ "${DEPENDENCIES}" = "lowest" ]; then composer update --prefer-lowest --prefer-dist --no-interaction --no-progress; fi;
   - if [ "${DEPENDENCIES}" = "highest" ]; then composer update --prefer-dist --no-interaction --no-progress; fi;
-  - if [ "${DEPENDENCIES}" = "highest" ]; then pecl install -f ast-1.0.5; fi; # Install AST extension, as phan uses it
+  - if [ "${DEPENDENCIES}" = "highest" ]; then pecl install -f ast-1.0.7; fi; # Install AST extension, as phan uses it
 
 script:
   - xmllint --noout --schema vendor/squizlabs/php_codesniffer/phpcs.xsd MO4/ruleset.xml # validate MO4's ruleset XML

composer.json

@@ -22,16 +22,15 @@
         "source": "https://github.com/mayflower/mo4-coding-standard"
     },
     "require-dev": {
-        "phan/phan": "^2.4.8",
-        "phpstan/phpdoc-parser": "^0.4.1",
-        "phpstan/phpstan": "^0.12.2",
+        "phan/phan": "^3.1.0",
+        "phpstan/phpstan": "^0.12.33",
         "phpstan/phpstan-strict-rules": "^0.12",
         "phpunit/phpunit": "^7.0",
         "vimeo/psalm": "^3.8"
     },
     "require": {
-        "php": "~7.1",
-        "dealerdirect/phpcodesniffer-composer-installer": "^0.5",
+        "php": "~7.2",
+        "dealerdirect/phpcodesniffer-composer-installer": "~0.7",
         "escapestudios/symfony2-coding-standard": "^3.10.0",
         "slevomat/coding-standard": "^6.0.2",
         "squizlabs/php_codesniffer": "^3.5.4"

phpstan.neon

@@ -1,6 +1,6 @@
 parameters:
     level: max
-    autoload_files:
+    bootstrapFiles:
         - %rootDir%/../../../tests/bootstrap.php
     ignoreErrors:
         - '#^Strict comparison using === between \*NEVER\* and (.*) will always evaluate to false.$#'