ci : pin github actions to commit SHAs (#3856)

This commit pins github actions used to the same commi SHAs that
llama.cpp uses.

.github/workflows/build-android.yml

@@ -41,7 +41,7 @@ jobs:
           java-version: 21
 
       - name: Setup Android SDK
-        uses: android-actions/setup-android@v3
+        uses: android-actions/setup-android@40fd30fb8d7440372e1316f5d1809ec01dcd3699 # v4.0.1
 
       - name: Build
         run: |
@@ -69,7 +69,7 @@ jobs:
           cache: gradle
 
       - name: Setup Android SDK
-        uses: android-actions/setup-android@v3
+        uses: android-actions/setup-android@40fd30fb8d7440372e1316f5d1809ec01dcd3699 # v4.0.1
         with:
           cmdline-tools-version: 9.0
 

.github/workflows/build-clang.yml

@@ -61,7 +61,7 @@ jobs:
           save: ${{ github.event_name == 'push' && github.ref == 'refs/heads/master' }}
 
       - name: Set up QEMU
-        uses: docker/setup-qemu-action@v3
+        uses: docker/setup-qemu-action@ce360397dd3f832beb865e1373c09c0e9f86d70a # v4
 
       - name: Build ${{ matrix.arch }}
         run: |

.github/workflows/build-gcc.yml

@@ -58,7 +58,7 @@ jobs:
           save: ${{ github.event_name == 'push' && github.ref == 'refs/heads/master' }}
 
       - name: Set up QEMU
-        uses: docker/setup-qemu-action@v3
+        uses: docker/setup-qemu-action@ce360397dd3f832beb865e1373c09c0e9f86d70a # v4
 
       - name: Build ${{ matrix.arch }}
         run: |
@@ -141,7 +141,7 @@ jobs:
           save: ${{ github.event_name == 'push' && github.ref == 'refs/heads/master' }}
 
       - name: Set up QEMU
-        uses: docker/setup-qemu-action@v3
+        uses: docker/setup-qemu-action@ce360397dd3f832beb865e1373c09c0e9f86d70a # v4
 
       - name: Build ${{ matrix.arch }}
         run: |

.github/workflows/build-windows.yml

@@ -46,7 +46,7 @@ jobs:
         uses: actions/checkout@v6
 
       - name: Setup ${{ matrix.sys }}
-        uses: msys2/setup-msys2@v2
+        uses: msys2/setup-msys2@cafece8e6baf9247cf9b1bf95097b0b983cc558d # v2
         with:
           update: true
           msystem: ${{matrix.sys}}

.github/workflows/docker.yml

@@ -30,10 +30,10 @@ jobs:
         uses: actions/checkout@v6
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
+        uses: docker/setup-buildx-action@4d04d5d9486b7bd6fa91e7baf45bbb4f8b9deedd # v4
 
       - name: Log in to Docker Hub
-        uses: docker/login-action@v3
+        uses: docker/login-action@b45d80f862d83dbcd57f89517bcf500b2ab88fb2 # v4
         with:
           registry: ghcr.io
           username: ${{ github.repository_owner }}
@@ -62,7 +62,7 @@ jobs:
           echo "tags=$TAGS" >> $GITHUB_OUTPUT
 
       - name: Build and push Docker image (tagged)
-        uses: docker/build-push-action@v6
+        uses: docker/build-push-action@d08e5c354a6adb9ed34480a06d141179aa583294 # v7
         with:
           context: .
           push: true