pin github deps to shas (#122)

Author: CommanderStorm

.github/workflows/ci.yml

@@ -9,8 +9,8 @@ jobs:
     name: Spell Check
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-node@v4
+      - uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4.3.0
+      - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
         with:
           node-version: 22
       - run: wget https://raw.githubusercontent.com/maplibre/maplibre-gl-js/refs/heads/main/.cspell.json