ci: allow dry run of release build

Author: GuillaumeLagrange

.github/workflows/release.yml

@@ -4,6 +4,7 @@ on:
   push:
     tags:
       - "v*"
+  workflow_dispatch:
 
 permissions:
   contents: write
@@ -23,11 +24,13 @@ jobs:
       - name: Build
         run: cargo build --release
       - name: Publish package
+        if: github.event_name != 'workflow_dispatch'
         run: cargo workspaces publish --from-git
         env:
           CARGO_REGISTRY_TOKEN: ${{ secrets.CARGO_REGISTRY_TOKEN }}
       - name: Create a draft release
         id: create_release
+        if: github.event_name != 'workflow_dispatch'
         run: |
           NEW_VERSION=$(cargo workspaces ls --json | jq -r '.[] | select(.name == "codspeed") | .version')
           gh release create v$NEW_VERSION --title "v$NEW_VERSION" --generate-notes -d
@@ -58,6 +61,7 @@ jobs:
       - run: ${{ matrix.cross && 'cross' || 'cargo' }} build --locked --release --bin cargo-codspeed --target ${{ matrix.target }}
 
       - name: Upload Release Asset
+        if: github.event_name != 'workflow_dispatch'
         id: upload-release-asset
         uses: actions/upload-release-asset@v1
         env: