ci: set workdir

.github/workflows/bootpkg.yaml

@@ -16,9 +16,8 @@ jobs:
         with:
           toolchain: stable
           override: true
-      - run: |
-          cd bootpkg
       - uses: https://github.com/actions-rs/cargo@v1
         with:
+          cwd: bootpkg
           command: build
           args: --verbose --all

.github/workflows/pkgr.yaml

@@ -16,9 +16,8 @@ jobs:
         with:
           toolchain: stable
           override: true
-      - run: |
-          cd pkgr
       - uses: https://github.com/actions-rs/cargo@v1
         with:
+          cwd: pkgr
           command: build
           args: --verbose --all