Update php to 8.0 (#237)

* Update PHP version to 8.0

* Fix GitHub actions for PHP8.0

* Fix dependencies for PHP8.0

* Remove RUN_TEMPORAL_TEST_SERVER from phpunit.xml

.github/workflows/code-style.yml

@@ -10,7 +10,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php: [7.4, 8.0]
+        php: [8.0]
         os: [ubuntu-latest]
     steps:
       - name: Set up PHP ${{ matrix.php }}

.github/workflows/run-test-suite.yml

@@ -25,7 +25,7 @@ jobs:
     strategy:
       fail-fast: ${{ inputs.fail-fast }}
       matrix:
-        php: [ 7.4, 8.0, 8.1 ]
+        php: [ 8.0, 8.1 ]
         os: [ ubuntu-latest , windows-latest]
         dependencies: [ lowest , highest ]
     steps:

.github/workflows/security-check.yml

@@ -10,7 +10,7 @@ jobs:
       fail-fast: false
       matrix:
         # Note: This workflow requires only the LATEST version of PHP
-        php: [ 7.4, 8.0 ]
+        php: [ 8.0 ]
         os: [ ubuntu-latest ]
     steps:
       - name: Set up PHP ${{ matrix.php }}

composer.json

@@ -21,23 +21,22 @@
         "source": "https://github.com/temporalio/sdk-php"
     },
     "require": {
-        "php": ">=7.4",
+        "php": ">=8.0",
         "ext-curl": "*",
         "ext-json": "*",
         "google/common-protos": "^1.3",
         "google/protobuf": "^3.20.1",
         "grpc/grpc": "^1.34",
         "nesbot/carbon": "^2.52.0",
-        "psr/log": "^1.0.1 || ^2.0 || ^3.0",
+        "psr/log": "^2.0 || ^3.0",
         "react/promise": "^2.8",
         "spiral/attributes": "^2.7 || ^3.0",
         "spiral/roadrunner-cli": "^2.2",
         "spiral/roadrunner-kv": "^2.1",
-        "spiral/roadrunner-worker": "^2.0.2",
-        "symfony/filesystem": "^4.4.9|^5.3|^6.0",
-        "symfony/http-client": "^4.4.11|^5.3|^6.0",
-        "symfony/polyfill-php80": "^1.23",
-        "symfony/process": "^4.4.11|^5.3|^6.0"
+        "spiral/roadrunner-worker": "^2.1.3",
+        "symfony/filesystem": "^6.0",
+        "symfony/http-client": "^6.0",
+        "symfony/process": "^6.0"
     },
     "autoload": {
         "psr-4": {
@@ -54,7 +53,7 @@
         "composer/composer": "^2.0",
         "dereuromark/composer-prefer-lowest": "^0.1.10",
         "doctrine/annotations": "^1.11",
-        "friendsofphp/php-cs-fixer": "^2.8",
+        "friendsofphp/php-cs-fixer": "^3.0",
         "illuminate/support": "^7.0",
         "jetbrains/phpstorm-attributes": "dev-master@dev",
         "laminas/laminas-code": "^4.0",