add needs changes

.github/workflows/rust.yml

@@ -33,6 +33,7 @@ jobs:
                         - 'rust/**'
 
     build:
+        needs: changes
         runs-on: depot-ubuntu-22.04-4
 
         defaults:
@@ -67,6 +68,7 @@ jobs:
               run: cargo build --all --locked --release && find target/release/ -maxdepth 1 -executable -type f | xargs strip
 
     test:
+        needs: changes
         runs-on: depot-ubuntu-22.04-4
         timeout-minutes: 10
 
@@ -116,6 +118,7 @@ jobs:
               run: cargo test --all-features
 
     linting:
+        needs: changes
         runs-on: depot-ubuntu-22.04-4
 
         defaults:
@@ -160,6 +163,7 @@ jobs:
               run: cargo check --all-features
 
     shear:
+        needs: changes
         runs-on: depot-ubuntu-22.04-4
 
         defaults: