ci: rectify check inputs workflow naming

.github/workflows/check-inputs.yml

@@ -0,0 +1,21 @@
+name: "Check flake inputs"
+
+on:
+  push:
+    branches: ["main"]
+  pull_request:
+    branches: ["main"]
+
+jobs:
+  check-inputs:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+      - name: Install Nix
+        uses: DeterminateSystems/nix-installer-action@v3
+
+      - name: Check Nix flake Nixpkgs inputs
+        uses: DeterminateSystems/flake-checker-action@v4
+        with:
+          send-statistics: false

.github/workflows/check.yml

@@ -1,22 +0,0 @@
-name: "Check flake"
-
-on:
-  push:
-    paths:
-      - "**.nix"
-      - "**.lock"
-      - ".github/workflows/check.yml"
-
-jobs:
-  check:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v3
-      - name: Install Nix
-        uses: cachix/install-nix-action@v22
-
-      - name: Check Nix flake Nixpkgs inputs
-        uses: DeterminateSystems/flake-checker-action@main
-        with:
-          send-statistics: false