[CI] Move action versions pinned to a lint

MODULAR_ORIG_COMMIT_REV_ID: 16648743b0b7c35cf7330a77dba65813d2e38db1

Author: Ahajha

.github/workflows/ci.yml

@@ -31,16 +31,16 @@ jobs:
     env:
       MODULAR_NVPTX_COMPILER_PATH: /home/runner/work/mojo-gpu-puzzles/mojo-gpu-puzzles/.pixi/envs/default/bin/ptxas
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
 
-      - uses: actions/cache@v3
+      - uses: actions/cache@668228422ae6a00e4ad889ee87cd7109ec5666a7
         with:
           path: |
             ~/.modular
             ~/.cache/modular
           key: ${{ runner.os }}-modular-${{ hashFiles('**/pixi.toml') }}
 
-      - uses: prefix-dev/setup-pixi@v0.9.0
+      - uses: prefix-dev/setup-pixi@fef5c9568ca6c4ff7707bf840ab0692ba3f08293
         with:
           pixi-version: v0.53.0
           cache: false
@@ -55,4 +55,3 @@ jobs:
         shell: bash
         run: |
           pixi run tests
-

.github/workflows/publish.yml

@@ -25,16 +25,16 @@ jobs:
   deploy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
 
-      - uses: actions/cache@v3
+      - uses: actions/cache@668228422ae6a00e4ad889ee87cd7109ec5666a7
         with:
           path: |
             ~/.modular
             ~/.cache/modular
           key: ${{ runner.os }}-modular-${{ hashFiles('**/pixi.toml') }}
 
-      - uses: prefix-dev/setup-pixi@v0.9.0
+      - uses: prefix-dev/setup-pixi@fef5c9568ca6c4ff7707bf840ab0692ba3f08293
         with:
           pixi-version: v0.63.2
           cache: false
@@ -47,7 +47,7 @@ jobs:
           pixi run build-book
 
       - name: Deploy
-        uses: peaceiris/actions-gh-pages@v4
+        uses: peaceiris/actions-gh-pages@4b09552702d0b65573696410d4707c765da2630b
         if: github.event_name == 'push' && github.ref == 'refs/heads/stable'
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}