ci/workflows: run yamlfmt

Introduced after the yamlfmt PR was written.

.github/workflows/build.yml

@@ -24,10 +24,10 @@ jobs:
         include:
           - runner: ubuntu-24.04
             system: x86_64-linux
-            builds: [shell,manual-nixos,lib-tests]
+            builds: [shell, manual-nixos, lib-tests]
           - runner: ubuntu-24.04-arm
             system: aarch64-linux
-            builds: [shell,manual-nixos,manual-nixpkgs,manual-nixpkgs-tests]
+            builds: [shell, manual-nixos, manual-nixpkgs, manual-nixpkgs-tests]
           - runner: macos-13
             system: x86_64-darwin
             builds: [shell]

.github/workflows/eval.yml

@@ -251,7 +251,7 @@ jobs:
 
   labels:
     name: Labels
-    needs: [ compare ]
+    needs: [compare]
     uses: ./.github/workflows/labels.yml
     permissions:
       issues: write