chore: Use composer-bin-plugin to manage dev deps

Signed-off-by: Louis Chemineau <louis@chmn.me>

composer.json

@@ -13,10 +13,9 @@
 			"bamarni/composer-bin-plugin": true
 		}
 	},
-	"autoload-dev": {
+	"autoload": {
 		"psr-4": {
-			"OCP\\": "vendor/nextcloud/ocp/OCP",
-			"OCA\\Activity\\": "lib/"
+			"OCA\\Activity\\": "./lib/"
 		}
 	},
 	"scripts": {
@@ -29,24 +28,20 @@
 		"psalm:fix": "psalm.phar --alter --issues=InvalidReturnType,InvalidNullableReturnType,MissingParamType,InvalidFalsableReturnType",
 		"test:unit": "vendor/bin/phpunit -c tests/phpunit.xml --color --fail-on-warning --fail-on-risky",
 		"post-install-cmd": [
-			"@composer bin all install --ansi"
+			"[ $COMPOSER_DEV_MODE -eq 0 ] || composer bin all install --ansi"
 		],
 		"post-update-cmd": [
-			"@composer bin all update --ansi"
+			"[ $COMPOSER_DEV_MODE -eq 0 ] || composer bin all update --ansi"
 		]
 	},
 	"require-dev": {
-		"nextcloud/ocp": "dev-master",
-		"phpunit/phpunit": "^9.5",
-		"psalm/phar": "^5.15"
+		"bamarni/composer-bin-plugin": "^1.8",
+		"phpunit/phpunit": "^9.5"
 	},
 	"extra": {
 		"bamarni-bin": {
 			"bin-links": true,
 			"forward-command": false
 		}
-	},
-	"require": {
-		"bamarni/composer-bin-plugin": "^1.8"
 	}
-}
+}