Pin dependencies (#2322)

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

.github/workflows/build_macos.yaml

@@ -37,15 +37,15 @@ jobs:
         runs-on: macos-14 # M1
         environment: ${{ inputs.sign && 'packages.element.io' || '' }}
         steps:
-            - uses: actions/checkout@v4
+            - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
 
-            - uses: actions/download-artifact@v4
+            - uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093 # v4
               with:
                   name: webapp
 
             - name: Cache .hak
               id: cache
-              uses: actions/cache@v4
+              uses: actions/cache@5a3ec84eff668545956fd18022155c47e93e2684 # v4
               with:
                   key: ${{ runner.os }}-${{ hashFiles('hakHash', 'electronVersion') }}
                   path: |
@@ -60,11 +60,11 @@ jobs:
                   rustup target add x86_64-apple-darwin
 
             # M1 macos-14 comes without Python preinstalled
-            - uses: actions/setup-python@v5
+            - uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5
               with:
                   python-version: "3.13"
 
-            - uses: actions/setup-node@v4
+            - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
               with:
                   node-version-file: .node-version
                   cache: "yarn"
@@ -137,7 +137,7 @@ jobs:
 
             # We exclude mac-universal as the unpacked app takes forever to upload and zip and dmg already contains it
             - name: Upload Artifacts
-              uses: actions/upload-artifact@v4
+              uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4
               with:
                   name: macos
                   path: |