ci: fix improper paths-ignore usage

Signed-off-by: Seth Flynn <getchoo@tuta.io>

.github/workflows/nix.yml

@@ -4,28 +4,34 @@ on:
   push:
     tags:
       - "*"
-    paths-ignore:
-      - ".github/**"
-      - "!.github/workflows/nix.yml"
-      - "flatpak/"
-      - "scripts/"
+    # NOTE: `!` doesn't work with `paths-ignore` :(
+    # So we a catch-all glob instead
+    # https://github.com/orgs/community/discussions/25369#discussioncomment-3247674
+    paths:
+      - "**"
+      - "!.github/**"
+      - ".github/workflows/nix.yml"
+      - "!flatpak/"
+      - "!scripts/"
 
-      - ".git*"
-      - ".envrc"
-      - "**.md"
-      - "!COPYING.md"
-      - "renovate.json"
+      - "!.git*"
+      - "!.envrc"
+      - "!**.md"
+      - "COPYING.md"
+      - "!renovate.json"
   pull_request_target:
-    paths-ignore:
-      - ".github/**"
-      - "flatpak/"
-      - "scripts/"
+    paths:
+      - "**"
+      - "!.github/**"
+      - ".github/workflows/nix.yml"
+      - "!flatpak/"
+      - "!scripts/"
 
-      - ".git*"
-      - ".envrc"
-      - "**.md"
-      - "!COPYING.md"
-      - "renovate.json"
+      - "!.git*"
+      - "!.envrc"
+      - "!**.md"
+      - "COPYING.md"
+      - "!renovate.json"
   workflow_dispatch:
 
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