chore(deps): pin dependencies

Author: renovate-bot

.github/workflows/markdown-checks.yml

@@ -27,7 +27,7 @@ jobs:
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
 
       - name: Link Checker
-        uses: lycheeverse/lychee-action@a8c4c7cb88f0c7386610c35eb25108e448569cb0 # v2.7.0
+        uses: lycheeverse/lychee-action@8646ba30535128ac92d33dfc9133794bfdd9b411 # v2.8.0
         with:
           # There is no security token. So, it would fail on any links which aren't public.
           args: "--verbose --no-progress **/*.md"

.github/workflows/skills-validate.yml

@@ -30,10 +30,10 @@ jobs:
   skills-validate:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
 
       - name: Set up Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5
         with:
           python-version: "3.11"