ci: upgrade nrwl/nx-set-shas from v4 to v5

Author: OCurdy

.github/workflows/artifacts.yml

@@ -57,7 +57,7 @@ jobs:
           cache: 'npm'
 
       - name: Derive appropriate SHAs for base and head for `nx affected` commands
-        uses: nrwl/nx-set-shas@v4
+        uses: nrwl/nx-set-shas@v5
         with:
           main-branch-name: 'geocat'
           fallback-sha: b5fac1a33b5c4df0f5db183ae09e956f3a327f51