ci: add workspace or single package to build-test

It adds a new choice for the matrix strategy, being `--workspace` or a
single package, i.e. `-p bdk_wallet`. It will then build and test for
the whole workspace and each single package.

.github/workflows/cont_integration.yml

@@ -14,7 +14,7 @@ jobs:
       - name: "Read rust version"
         id: read_toolchain
         run: echo "rust_version=$(cat rust-version)" >> $GITHUB_OUTPUT
-  
+
   build-test:
     name: Build and test
     runs-on: ubuntu-latest
@@ -27,6 +27,17 @@ jobs:
         features:
           - --no-default-features
           - --all-features
+        workspace-or-package:
+          - --workspace
+          - -p bdk_wallet
+          - -p bdk_chain
+          - -p bdk_core
+          - -p bdk_file_store
+          - -p bdk_electrum
+          - -p bdk_esplora
+          - -p bdk_bitcoind_rpc
+          - -p bdk_hwi
+          - -p bdk_testenv
     steps:
       - name: checkout
         uses: actions/checkout@v2
@@ -49,9 +60,9 @@ jobs:
           cargo update -p cc --precise "1.0.105"
           cargo update -p tokio --precise "1.38.1"
       - name: Build
-        run: cargo build ${{ matrix.features }}
+        run: cargo build ${{ matrix.workspace-or-package }} ${{ matrix.features }}
       - name: Test
-        run: cargo test ${{ matrix.features }}
+        run: cargo test ${{ matrix.workspace-or-package }} ${{ matrix.features }}
 
   check-no-std:
     name: Check no_std