Fix paths in workflow trigger (#3)

Reviewed-on: https://git.mercurial-manifold.eu/an.tsouchlos/commonsense-hw/pulls/3
Co-authored-by: Andreas Tsouchlos <an.tsouchlos@gmail.com>
Co-committed-by: Andreas Tsouchlos <an.tsouchlos@gmail.com>

.gitea/workflows/doc-generation.yml

@@ -3,8 +3,9 @@ name: docs-generation
 on:
   pull_request:
     paths:
-      - '**.sch'
+      - '**.kicad_sch'
       - '**.kicad_pcb'
+      - '**.kicad_pro'
 
 jobs:
   docs-generation: