Update and pin all actions versions (#564)

Signed-off-by: Dmytro Bondar <git@bonddim.dev>

.github/workflows/pages.yml

@@ -15,11 +15,11 @@ jobs:
   deploy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           fetch-depth: 0
 
-      - uses: actions/setup-python@v6
+      - uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
         with:
           python-version: 3.x
 
@@ -37,4 +37,4 @@ jobs:
         run: mike deploy --push --update-aliases ${{ github.ref_name }} latest
         env:
           GIT_COMMITTER_NAME: "github-actions[bot]"
-          GIT_COMMITTER_EMAIL: "41898282+github-actions[bot]@users.noreply.github.com"
+          GIT_COMMITTER_EMAIL: "41898282+github-actions[bot]@users.noreply.github.com"