Combine workflows to create release artifacts

Currently, this creates a single file `executable.zip`. This can
be later be used to create a release.

CMK-14985

.github/workflows/release.yaml

@@ -0,0 +1,26 @@
+---
+name: "Upload all artifacts"
+on:
+  push:
+    paths:
+      - .github/workflows/release.yaml
+      - .github/workflows/rcc.yaml
+      - .github/workflows/robotmk.yaml
+  pull_request:
+    paths:
+      - .github/workflows/release.yaml
+      - .github/workflows/rcc.yaml
+      - .github/workflows/robotmk.yaml
+
+jobs:
+  build_rcc:
+    uses: ./.github/workflows/rcc.yaml
+  build_robotmk:
+    uses: ./.github/workflows/robotmk.yaml
+  release:
+    runs-on: ubuntu-latest
+    needs: [build_rcc, build_robotmk]
+    steps:
+      - uses: actions/download-artifact@v3
+
+      - run: zip -r executables.zip artifact