Switch workflow actions to git refs with full hashes ...

.github/workflows/build.yml

@@ -19,19 +19,19 @@ jobs:
         ]
     steps:
       - name: Cancel previous jobs
-        uses: styfle/cancel-workflow-action@b173b6e
+        uses: styfle/cancel-workflow-action@b173b6ec0100793626c2d9e6b90435061f4fc3e5
 
         with:
           access_token: ${{ github.token }}
       - name: Git - Checkout
-        uses: actions/checkout@f43a0e5
+        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744
         with:
           ref: ${{ github.ref }}
       - name: Select Xcode Version
-        uses: maxim-lobanov/setup-xcode@60606e2
+        uses: maxim-lobanov/setup-xcode@60606e260d2fc5762a71e64e74b2174e8ea3c8bd
         with:
           xcode-version: '15.0'
-      - uses: ruby/setup-ruby@22fdc77
+      - uses: ruby/setup-ruby@22fdc77bf4148f810455b226c90fb81b5cbc00a7
         with:
           ruby-version: "3.2"
           bundler-cache: true