Use update ci workflows to use defaults.run.working-directory

.github/workflows/cont_integration.yml

@@ -12,6 +12,9 @@ jobs:
   build-test:
     name: Build and test
     runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: bdk-ffi
     strategy:
       matrix:
         rust:
@@ -41,22 +44,19 @@ jobs:
       - name: Update toolchain
         run: rustup update
       - name: Build
-        run: |
-          cd bdk-ffi
-          cargo build
+        run: cargo build
       - name: Clippy
         if: ${{ matrix.rust.clippy }}
-        run: |
-          cd bdk-ffi
-          cargo clippy --all-targets -- -D warnings
+        run: cargo clippy --all-targets -- -D warnings
       - name: Test
-        run: |
-          cd bdk-ffi
-          CLASSPATH=./tests/jna/jna-5.8.0.jar cargo test
+        run: CLASSPATH=./tests/jna/jna-5.8.0.jar cargo test
 
   fmt:
     name: Rust fmt
     runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: bdk-ffi
     steps:
       - name: Checkout
         uses: actions/checkout@v2
@@ -69,6 +69,4 @@ jobs:
       - name: Update toolchain
         run: rustup update
       - name: Check fmt
-        run: |
-          cd bdk-ffi
-          cargo fmt --all -- --config format_code_in_doc_comments=true --check
+        run: cargo fmt --all -- --config format_code_in_doc_comments=true --check