Bump PHP version to 8.3 in CI, composer; bump dependencies

.github/workflows/continuous-integration.yml

@@ -15,7 +15,7 @@ jobs:
     strategy:
       matrix:
         php-version:
-          - 8.2
+          - 8.3
 
     steps:
       - name: "Checkout"
@@ -49,7 +49,7 @@ jobs:
     strategy:
       matrix:
         php-version:
-          - 8.2
+          - 8.3
 
     steps:
       - name: "Checkout"
@@ -84,7 +84,7 @@ jobs:
     strategy:
       matrix:
         php-version:
-          - 8.2
+          - 8.3
 
     steps:
       - name: "Checkout"
@@ -138,7 +138,7 @@ jobs:
 #  strategy:
 #    matrix:
 #      php-version:
-#        - 8.2
+#        - 8.3
 #
 #  steps:
 #    - name: "Checkout"

composer.json

@@ -11,34 +11,34 @@
   "homepage": "https://api.joind.in",
   "license": "BSD-3-Clause",
   "require": {
-    "php": "^8.2",
+    "php": "^8.3",
     "ext-curl": "*",
     "ext-filter": "*",
     "ext-gd": "*",
     "ext-intl": "*",
     "ext-json": "*",
     "ext-openssl": "*",
     "ext-pdo": "*",
-    "guzzlehttp/guzzle": "^7.7",
+    "guzzlehttp/guzzle": "^7.8.1",
     "guzzlehttp/oauth-subscriber": "^0.6",
     "michelf/php-markdown": "^2",
     "pimple/pimple": "^3.5",
     "psr/container": "^2.0.2",
     "swiftmailer/swiftmailer": "^6.3",
-    "teapot/status-code": "^2.1"
+    "teapot/status-code": "^2.3"
   },
   "require-dev": {
-    "friendsofphp/php-cs-fixer": "^3.17",
-    "infection/infection": "^0.27",
-    "jangregor/phpstan-prophecy": "^1",
-    "maglnet/composer-require-checker": "^4.6",
-    "php-mock/php-mock-phpunit": "^2.7.1",
-    "phpspec/prophecy": "^1.17",
-    "phpspec/prophecy-phpunit": "^2.0",
-    "phpstan/extension-installer": "^1.3",
-    "phpstan/phpstan": "^1.10.15",
+    "friendsofphp/php-cs-fixer": "^3.54",
+    "infection/infection": "^0.27.11",
+    "jangregor/phpstan-prophecy": "^1.0.2",
+    "maglnet/composer-require-checker": "^4.11",
+    "php-mock/php-mock-phpunit": "^2.10.0",
+    "phpspec/prophecy": "^1.19",
+    "phpspec/prophecy-phpunit": "^2.2",
+    "phpstan/extension-installer": "^1.3.1",
+    "phpstan/phpstan": "^1.10.67",
     "phpstan/phpstan-phpunit": "1.3.12",
-    "phpunit/phpunit": "^9.6.8",
+    "phpunit/phpunit": "^9.6.19",
     "roave/security-advisories": "dev-latest"
   },
   "config": {