Restore "Install musl-gcc for linux-musl nodejs releases"

This reverts commit cfc6ec2.

Author: AndrewFerr

.github/workflows/prep-crypto-nodejs-release.yml

@@ -110,7 +110,7 @@ jobs:
 
   trigger-release:
     # and trigger the tagging release workflow
-    uses: matrix-org/matrix-rust-sdk/.github/workflows/release-crypto-nodejs.yml@main
+    uses: ./.github/workflows/release-crypto-nodejs.yml
     needs: ['prepare-release']
     name: "Trigger release Workflow"
     with:

.github/workflows/release-crypto-nodejs.yml

@@ -53,6 +53,7 @@ jobs:
             apt_install: gcc-arm-linux-gnueabihf
           - target: x86_64-unknown-linux-musl
             os: ubuntu-20.04
+            apt_install: musl-tools
           # ----------------------------------- macOS
           - target: aarch64-apple-darwin
             os: macos-latest