ci: Exclude the inaccessible link

The Siemens support link
'https://support.industry.siemens.com/cs/document/109741799/downloads-for-simatic-iot20x0?dti=0&lc=en-WW'
is inaccessible from the CI pipeline. Excluding it from `.lychee.toml`
prevents false-positive failures and unnecessary CI runs.

Additionally, ignoring .lychee.toml in main.yml to avoid the unnecessary
building.

Signed-off-by: Li Hua Qian <huaqian.li@siemens.com>

Author: huaqianli

.github/workflows/main.yml

@@ -37,6 +37,7 @@ on:
       - '**.md'
       - 'doc/**'
       - '.github/workflows/link-check.yml'
+      - '.lychee.toml'
   pull_request:
     branches:
       - master
@@ -48,6 +49,7 @@ on:
       - '**.md'
       - 'doc/**'
       - '.github/workflows/link-check.yml'
+      - '.lychee.toml'
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}

.lychee.toml

@@ -13,6 +13,8 @@ exclude = [
   "192.168.200.1",
   # Placeholder tokens
   "<Version>",
+  # Inaccessible from the pipeline
+  "https://support.industry.siemens.com/cs/document/109741799/downloads-for-simatic-iot20x0?dti=0&lc=en-WW",
 ]
 
 exclude_all_private = true