nixos: try to fix channel eval

It was failing with

error: aggregate job 'tested' references non-existent job 'nixos.tests.php.x86_64-linux'

cc @etu

+4 -2
+2 -1
nixos/release-combined.nix
··· 112 112 "nixos.tests.nfs4.simple.x86_64-linux" 113 113 "nixos.tests.openssh.x86_64-linux" 114 114 "nixos.tests.pantheon.x86_64-linux" 115 - "nixos.tests.php.x86_64-linux" 115 + "nixos.tests.php.fpm.x86_64-linux" 116 + "nixos.tests.php.pcre.x86_64-linux" 116 117 "nixos.tests.plasma5.x86_64-linux" 117 118 "nixos.tests.predictable-interface-names.predictableNetworkd.x86_64-linux" 118 119 "nixos.tests.predictable-interface-names.predictable.x86_64-linux"
+2 -1
nixos/release-small.nix
··· 108 108 "nixos.tests.nat.standalone.x86_64-linux" 109 109 "nixos.tests.nfs3.simple.x86_64-linux" 110 110 "nixos.tests.openssh.x86_64-linux" 111 - "nixos.tests.php.x86_64-linux" 111 + "nixos.tests.php.fpm.x86_64-linux" 112 + "nixos.tests.php.pcre.x86_64-linux" 112 113 "nixos.tests.predictable-interface-names.predictable.x86_64-linux" 113 114 "nixos.tests.predictable-interface-names.predictableNetworkd.x86_64-linux" 114 115 "nixos.tests.predictable-interface-names.unpredictable.x86_64-linux"