fix(goreleaser): path to license file

Author: tbckr

.goreleaser.yaml

@@ -84,7 +84,7 @@ archives:
       format: zip
     files:
       - README.md
-      - LICENSE.md
+      - LICENSE
       - completions/*
       - manpages/*
 
@@ -273,7 +273,7 @@ nfpms:
         dst: /usr/share/man/man1/sgpt.1.gz
         file_info:
           mode: 0644
-      - src: ./LICENSE.md
+      - src: ./LICENSE
         dst: /usr/share/doc/sgpt/copyright
         file_info:
           mode: 0644