Drop PHP7.3 support

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

.github/workflows/lint.yml

@@ -24,7 +24,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        php-versions: ['7.3', '7.4', '8.0', '8.1', '8.2']
+        php-versions: ['7.4', '8.0', '8.1', '8.2']
     name: php${{ matrix.php-versions }} lint
     steps:
       - name: Checkout

.github/workflows/php-test.yml

@@ -11,11 +11,9 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        php-versions: ['7.3', '7.4']
+        php-versions: ['7.4']
         nextcloud-versions: ['stable22', 'stable23']
         include:
-          - php-versions: '7.3'
-            nextcloud-versions: 'stable20'
           - php-versions: '7.4'
             nextcloud-versions: 'stable24'
           - php-versions: '8.0'

appinfo/info.xml

@@ -32,7 +32,7 @@
 	<screenshot>https://raw.githubusercontent.com/nextcloud/calendar/main/screenshots/week_room_suggestion.png</screenshot>
 	<screenshot>https://raw.githubusercontent.com/nextcloud/calendar/main/screenshots/week_sidebar.png</screenshot>
 	<dependencies>
-		<php min-version="7.3" max-version="8.1" />
+		<php min-version="7.4" max-version="8.1" />
 		<nextcloud min-version="22" max-version="25" />
 	</dependencies>
 	<background-jobs>

composer.json

 {
     "config": {
         "platform": {
-            "php": "7.3"
+            "php": "7.4"
         },
         "sort-packages": true
     },
     "require": {
-        "php": ">=7.3 <=8.1"
+        "php": ">=7.4 <=8.1"
     },
     "require-dev": {
         "christophwurst/nextcloud_testing": "0.12.4",

composer.lock

@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "bbde2eca49163a0f4852b85fb25d6040",
+    "content-hash": "e72161d7f75deb29b6e198bd88015401",
     "packages": [],
     "packages-dev": [
         {
@@ -4285,7 +4285,7 @@
     },
     "platform-dev": [],
     "platform-overrides": {
-        "php": "7.3"
+        "php": "7.4"
     },
-    "plugin-api-version": "2.2.0"
+    "plugin-api-version": "2.3.0"
 }