Treewide: fix wrong declaration of Apache License 2.0

These packages were announced as published under Apple Public Source
License 2.0 ('apsl20' short handle) but they are actually published
under the Apache License 2.0 ('asl20' short handle)

pkgs/applications/networking/cluster/helm/plugins/helm-diff.nix

···
   meta = with lib; {
     description = "A Helm plugin that shows a diff";
     inherit (src.meta) homepage;
-    license = licenses.apsl20;
+    license = licenses.asl20;
     maintainers = with maintainers; [ yurrriq ];
   };
 }

pkgs/applications/networking/cluster/helm/plugins/helm-s3.nix

···
   meta = with lib; {
     description = "A Helm plugin that shows a diff";
     inherit (src.meta) homepage;
-    license = licenses.apsl20;
+    license = licenses.mit;
     maintainers = with maintainers; [ yurrriq ];
   };
 }

pkgs/applications/networking/cluster/helm/plugins/helm-secrets.nix

···
   meta = with lib; {
     description = "A Helm plugin that helps manage secrets";
     inherit (src.meta) homepage;
-    license = licenses.apsl20;
+    license = licenses.asl20;
     maintainers = with maintainers; [ yurrriq ];
     platforms = platforms.all;
   };

pkgs/applications/networking/cluster/kbst/default.nix

···
   meta = with lib; {
     description = "Kubestack framework CLI";
     homepage = "https://www.kubestack.com/";
-    license = licenses.apsl20;
+    license = licenses.asl20;
     maintainers = with maintainers; [ mtrsk ];
   };
 }

pkgs/development/libraries/xed/default.nix

···
   meta = with lib; {
     description = "Intel X86 Encoder Decoder (Intel XED)";
     homepage    = "https://intelxed.github.io/";
-    license     = licenses.apsl20;
+    license     = licenses.asl20;
     platforms   = platforms.unix;
     maintainers = with maintainers; [ arturcygan ];
   };

pkgs/development/tools/go-containerregistry/default.nix

···
   meta = with lib; {
     description = "Tools for interacting with remote images and registries including crane and gcrane";
     homepage = "https://github.com/google/go-containerregistry";
-    license = licenses.apsl20;
+    license = licenses.asl20;
     maintainers = with maintainers; [ yurrriq ];
   };
 }

pkgs/tools/admin/synapse-admin/default.nix

···
   meta = with lib; {
     description = "Admin UI for Synapse Homeservers";
     homepage = "https://github.com/Awesome-Technologies/synapse-admin";
-    license = licenses.apsl20;
+    license = licenses.asl20;
     platforms = platforms.all;
     maintainers = with maintainers; [ mkg20001 ];
   };

pkgs/tools/security/snow/default.nix

···
   meta = with lib; {
     description = "Conceal messages in ASCII text by appending whitespace to the end of lines";
     homepage = "http://www.darkside.com.au/snow/";
-    license = licenses.apsl20;
+    license = licenses.asl20;
     maintainers = with maintainers; [ siraben ];
     platforms = platforms.unix;
   };

pkgs/tools/system/bpytop/default.nix

···
   meta = with lib; {
     description = "A resource monitor; python port of bashtop";
     homepage = src.meta.homepage;
-    license = licenses.apsl20;
+    license = licenses.asl20;
     maintainers = with maintainers; [ aw ];
     platforms = with platforms; linux ++ freebsd ++ darwin;
 

pkgs/tools/virtualization/ec2instanceconnectcli/default.nix

···
   meta = with lib; {
     description = "Command Line Interface for AWS EC2 Instance Connect";
     homepage = "https://github.com/aws/aws-ec2-instance-connect-cli";
-    license = licenses.apsl20;
+    license = licenses.asl20;
     maintainers = with maintainers; [ yurrriq ];
   };
 }

pkgs/tools/virtualization/lxd-image-server/default.nix

···
   meta = with lib; {
     description = "Creates and manages a simplestreams lxd image server on top of nginx";
     homepage = "https://github.com/Avature/lxd-image-server";
-    license = licenses.apsl20;
+    license = licenses.asl20;
     platforms = platforms.unix;
     maintainers = with maintainers; [ mkg20001 ];
   };