⚗️ Add test release workflow

.github/workflows/3.0.0-alpha.1.yml

@@ -0,0 +1,59 @@
+name: 🚀 Release 3.0.0-alpha.1
+
+on:
+  workflow_dispatch:
+
+jobs:
+  cortex-m0:
+    uses: libhal/ci/.github/workflows/[email protected]
+    with:
+      arch: cortex-m0
+      version: 3.0.0-alpha.1
+      os: baremetal
+      compiler_package: arm-gnu-toolchain
+    secrets: inherit
+
+  cortex-m0plus:
+    uses: libhal/ci/.github/workflows/[email protected]
+    with:
+      arch: cortex-m0plus
+      version: 3.0.0-alpha.1
+      os: baremetal
+      compiler_package: arm-gnu-toolchain
+    secrets: inherit
+
+  cortex-m1:
+    uses: libhal/ci/.github/workflows/[email protected]
+    with:
+      arch: cortex-m1
+      version: 3.0.0-alpha.1
+      os: baremetal
+      compiler_package: arm-gnu-toolchain
+    secrets: inherit
+
+  cortex-m3:
+    uses: libhal/ci/.github/workflows/[email protected]
+    with:
+      arch: cortex-m3
+      version: 3.0.0-alpha.1
+      os: baremetal
+      compiler_package: arm-gnu-toolchain
+    secrets: inherit
+
+  cortex-m4:
+    uses: libhal/ci/.github/workflows/[email protected]
+    with:
+      arch: cortex-m4
+      version: 3.0.0-alpha.1
+      os: baremetal
+      compiler_package: arm-gnu-toolchain
+    secrets: inherit
+
+  cortex-m4f:
+    uses: libhal/ci/.github/workflows/[email protected]
+    with:
+      arch: cortex-m4f
+      version: 3.0.0-alpha.1
+      os: baremetal
+      compiler_package: arm-gnu-toolchain
+    secrets: inherit