Fix find call in shell GHA

Author: Potherca

.github/workflows/shell.yml

@@ -39,7 +39,7 @@ jobs:
       - run: >-
           find .
           -name '*.sh'
-          -not -name .git
+          -not -path '*/.git/*'
           -type f
           -print0
           | xargs -0 -P"$(nproc)" -I{} bash -n "{}"
@@ -53,7 +53,7 @@ jobs:
         with:
           args: >-
             find .
-            -not -name .git
+            -not -path '*/.git/*'
             -name '*.sh'
             -type f
             -print0