feat: pin nix-env urls

Author: kamadorueda

README.md

@@ -148,10 +148,10 @@ $ /path/to/alejandra --help
   Pick one depending on your platform:
 
   ```bash
-  $ nix-env -ivA aarch64-darwin -f https://github.com/kamadorueda/alejandra/tarball/main
-  $ nix-env -ivA aarch64-linux -f https://github.com/kamadorueda/alejandra/tarball/main
-  $ nix-env -ivA x86_64-darwin -f https://github.com/kamadorueda/alejandra/tarball/main
-  $ nix-env -ivA x86_64-linux -f https://github.com/kamadorueda/alejandra/tarball/main
+  $ nix-env -ivA aarch64-darwin -f https://github.com/kamadorueda/alejandra/tarball/0.3.0
+  $ nix-env -ivA aarch64-linux -f https://github.com/kamadorueda/alejandra/tarball/0.3.0
+  $ nix-env -ivA x86_64-darwin -f https://github.com/kamadorueda/alejandra/tarball/0.3.0
+  $ nix-env -ivA x86_64-linux -f https://github.com/kamadorueda/alejandra/tarball/0.3.0
   ```
 
 Then run Alejandra with:

integrations/vscode/yarn.lock

@@ -1,7 +1,6 @@
 # THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
 # yarn lockfile v1
 
-
 ansi-regex@^2.0.0:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-2.1.1.tgz#c3b33ab5ee360d86e0e628f0468ae7ef27d654df"