153 deprecation notices (#154)

* feature: type safe getters
closes #81

* fix: remove deprecation notices, improve type safety
closes #153

* fix: extra type safety changes

.github/workflows/ci.yml

@@ -15,7 +15,7 @@ jobs:
           path: /tmp/composer-cache
           key: ${{ runner.os }}-${{ hashFiles('**/composer.lock') }}
 
-      - uses: php-actions/composer@v5
+      - uses: php-actions/composer@v6
 
       - name: Archive build
         run: mkdir /tmp/github-actions/ && tar -cvf /tmp/github-actions/build.tar ./
@@ -40,7 +40,7 @@ jobs:
         run: tar -xvf /tmp/github-actions/build.tar ./
 
       - name: PHP Unit tests
-        uses: php-actions/phpunit@v2
+        uses: php-actions/phpunit@v3
         with:
           php_version: 8.0
           php_extensions: xdebug
@@ -61,6 +61,7 @@ jobs:
         run: tar -xvf /tmp/github-actions/build.tar ./
 
       - name: PHP Static Analysis
-        uses: php-actions/phpstan@v2
+        uses: php-actions/phpstan@v3
         with:
           path: src/
+          level: 7

composer.json

@@ -4,11 +4,12 @@
 	"license": "MIT",
 
 	"require": {
-		"php": ">=7.2"
+		"php": ">=8.0",
+		"phpgt/typesafegetter": "^v1.2"
 	},
 	"require-dev": {
-		"phpunit/phpunit": "9.*",
-		"phpstan/phpstan": "1.0.2"
+		"phpunit/phpunit": "^9.5",
+		"phpstan/phpstan": "^v1.4"
 	},
 
 	"autoload": {