fix(workflow): add shell: bash to steps using bashisms (parameter expansion, [[ ) and ensure make uses bash via SHELL=; prevents /bin/sh syntax errors in release CI

.gitea/workflows/release.yml

@@ -35,6 +35,7 @@ jobs:
         run: go mod download
 
       - name: Build for multiple platforms
+        shell: bash
         run: |
           VERSION=${GITHUB_REF#refs/tags/}
           COMMIT=$(git rev-parse --short HEAD)
@@ -45,6 +46,7 @@ jobs:
 
 
       - name: Prepare assets
+        shell: bash
         run: |
           VERSION=${GITHUB_REF#refs/tags/}
           for bin in build/gostations-* ; do
@@ -60,7 +62,8 @@ jobs:
 
           # Clean raw binaries (we ship the tarballs)
           for plat in 'linux/amd64' 'linux/arm64' 'darwin/amd64' 'darwin/arm64' 'windows/amd64'; do
-            IFS='/' read -r OS ARCH <<< "$plat"
+            OS=$(echo "$plat" | cut -d/ -f1)
+            ARCH=$(echo "$plat" | cut -d/ -f2)
             BIN="gostations-${OS}-${ARCH}"
             if [ "$OS" = "windows" ]; then BIN="${BIN}.exe"; fi
             rm -f "build/${BIN}"
@@ -70,6 +73,7 @@ jobs:
         run: apt update && apt install -y jq
 
       - name: Create Release & Upload Assets
+        shell: bash
         env:
           GITEA_TOKEN: ${{ secrets.RELEASE_TOKEN }}
         run: |