Replace build.yaml with build-configs.yaml

.yamlfmt.yaml

@@ -0,0 +1,5 @@
+---
+formatter:
+  include_document_start: true
+  retain_line_breaks_single: true
+  type: basic

build-configs.yaml

@@ -0,0 +1,10 @@
+---
+name: build-configs
+template: symfony-cli
+parameters:
+  nix:
+    devshell:
+      packages:
+        - bashInteractive
+        - php82
+        - php82Packages.composer

build.yaml

@@ -1,9 +0,0 @@
-name: build-configs
-type: symfony
-language: php
-flake:
-  devshell:
-    packages:
-      - bashInteractive
-      - php82
-      - php82Packages.composer