Add PHP 8.3 support (#109)

* Add PHP 8.3 support

* Replace support link: Patreon -> Buy Me a Coffee

* Add 8.3 to tests.yml

* Fix tests.yml

* Change README PHP version

.github/workflows/tests.yml

@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        php-versions: ['7.4', '8.0', '8.1', '8.2']
+        php-versions: ['7.4', '8.0', '8.1', '8.2', '8.3']
     name: integration-tests (PHP ${{ matrix.php-versions }})
     steps:
       - uses: actions/checkout@v1

README.md

@@ -9,14 +9,15 @@ Very neat and useful configuration was recently [announced](https://blogs.oracle
 
 > Each tenancy gets the first 3,000 OCPU hours and 18,000 GB hours per month for free to create Ampere A1 Compute instances using the VM.Standard.A1.Flex shape (equivalent to 4 OCPUs and 24 GB of memory).
 
-This approach requires **PHP 7.4 | 8.0 | 8.1 | 8.2** and **composer** installed and will call "LaunchInstance" OCI API [endpoint](https://docs.oracle.com/en-us/iaas/api/#/en/iaas/20160918/Instance/LaunchInstance). We'll utilise the [package](https://packagist.org/packages/hitrov/oci-api-php-request-sign) which I've written (and [published](https://github.com/hitrov/oci-api-php-request-sign)) some time ago, here's the [article](https://hitrov.medium.com/creating-mini-php-sdk-to-sign-oracle-cloud-infrastructure-api-requests-d91a224c7008?sk=5b4405c1124bfeac30a370630fd94126).
+This approach requires **PHP ^7.4...^8.3** and **composer** installed and will call "LaunchInstance" OCI API [endpoint](https://docs.oracle.com/en-us/iaas/api/#/en/iaas/20160918/Instance/LaunchInstance). We'll utilise the [package](https://packagist.org/packages/hitrov/oci-api-php-request-sign) which I've written (and [published](https://github.com/hitrov/oci-api-php-request-sign)) some time ago, here's the [article](https://hitrov.medium.com/creating-mini-php-sdk-to-sign-oracle-cloud-infrastructure-api-requests-d91a224c7008?sk=5b4405c1124bfeac30a370630fd94126).
 
 If you prefer article style, here's a link to [Medium](https://hitrov.medium.com/resolving-oracle-cloud-out-of-capacity-issue-and-getting-free-vps-with-4-arm-cores-24gb-of-6ecd5ede6fcc?sk=01d761f7cd80c77e0fed773972f4d1a8)
 
 YouTube video instruction [https://youtu.be/uzAqgjElc64](https://youtu.be/uzAqgjElc64) 
 is a bit outdated regarding [Configuration](#configuration) but still can be useful for the rest.
 
-If you appreciate what I did please consider supporting me on [Patreon](https://www.patreon.com/hitrov)
+If you appreciate what I did please consider 
+[!["Buy Me A Coffee"](https://www.buymeacoffee.com/assets/img/custom_images/orange_img.png)](https://www.buymeacoffee.com/hitrov)
 
 - [Generating API key](#generating-api-key)
 - [Installation](#installation)

composer.json

@@ -9,7 +9,7 @@
         }
     ],
     "require": {
-        "php": "^7.4 || ^8.0 || ^8.1 || ^8.2",
+        "php": "^7.4 || ^8.0 || ^8.1 || ^8.2 || ^8.3",
         "hitrov/oci-api-php-request-sign": "^1.0",
         "ext-curl": "*",
         "ext-json": "*",