chore(deps): pin dependencies (#722)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

.github/workflows/build-ios.yml

@@ -18,7 +18,7 @@ jobs:
 
     steps:
       - name: 📥 Check out repository
-        uses: actions/checkout@v4.2.2
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           ref: ${{ github.event.pull_request.head.sha || github.sha }}
           show-progress: false
@@ -26,13 +26,13 @@ jobs:
           fetch-depth: 0
 
       - name: 🍞 Setup Bun
-        uses: oven-sh/setup-bun@v2.0.2
+        uses: oven-sh/setup-bun@735343b667d3e6f658f44d0eca948eb6282f2b76 # v2.0.2
         with:
           # @todo: update to 1.x once this is fixed: https://github.com/streamyfin/streamyfin/pull/690#discussion_r2089749689
           bun-version: '1.2.13'
 
       - name: 💾 Cache Bun dependencies
-        uses: actions/cache@v4
+        uses: actions/cache@5a3ec84eff668545956fd18022155c47e93e2684 # v4
         with:
           path: ~/.bun/install/cache
           key: ${{ runner.os }}-bun-cache-${{ hashFiles('bun.lock') }}
@@ -45,7 +45,7 @@ jobs:
           npx expo prebuild
 
       - name: 🏗️ Build iOS app
-        uses: sparkfabrik/ios-build-action@v2.3.2
+        uses: sparkfabrik/ios-build-action@be021d9f600b104d199a500db7ba479149a6b257 # v2.3.2
         with:
           upload-to-testflight: false
           increment-build-number: false
@@ -78,7 +78,7 @@ jobs:
         run: echo "DATE_TAG=$(date +%d-%m-%Y_%H-%M-%S)" >> $GITHUB_ENV
 
       - name: 📤 Upload IPA artifact
-        uses: actions/upload-artifact@v4.6.2
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
         with:
           name: streamyfin-ipa-${{ github.sha }}-${{ env.DATE_TAG }}
           path: build-*.ipa