Update drone triggers

.drone.yml

@@ -27,6 +27,13 @@ steps:
   - cargo clippy --features opentelemetry_0_14
   - cargo clippy --features opentelemetry_0_15
   - cargo clippy --features opentelemetry_0_16
+  - cargo clippy --example client --features opentelemetry_0_16
+  - cargo clippy --example server --features opentelemetry_0_16
+
+trigger:
+  event:
+    - push
+    - pull_request
 
 ---
 
@@ -55,11 +62,16 @@ steps:
   commands:
   - cargo test
 
+trigger:
+  event:
+    - push
+    - pull_request
+
 ---
 
 kind: pipeline
 type: docker
-name: build-amd64
+name: check-amd64
 
 platform:
   arch: amd64
@@ -81,15 +93,19 @@ steps:
   pull: always
   commands:
   - cargo check --target=x86_64-unknown-linux-musl
-  - cargo build --target=x86_64-unknown-linux-musl --release
-  - cargo build --target=x86_64-unknown-linux-musl --example client --features opentelemetry_0_16 --release
-  - cargo build --target=x86_64-unknown-linux-musl --example server --features opentelemetry_0_16 --release
+  - cargo check --target=x86_64-unknown-linux-musl --example client --features opentelemetry_0_16
+  - cargo check --target=x86_64-unknown-linux-musl --example server --features opentelemetry_0_16
+
+trigger:
+  event:
+    - push
+    - pull_request
 
 ---
 
 kind: pipeline
 type: docker
-name: build-arm64v8
+name: check-arm64v8
 
 platform:
   arch: amd64
@@ -111,15 +127,19 @@ steps:
   pull: always
   commands:
   - cargo check --target=aarch64-unknown-linux-musl
-  - cargo build --target=aarch64-unknown-linux-musl --release
-  - cargo build --target=aarch64-unknown-linux-musl --example client --features opentelemetry_0_16 --release
-  - cargo build --target=aarch64-unknown-linux-musl --example server --features opentelemetry_0_16 --release
+  - cargo check --target=aarch64-unknown-linux-musl --example client --features opentelemetry_0_16
+  - cargo check --target=aarch64-unknown-linux-musl --example server --features opentelemetry_0_16
+
+trigger:
+  event:
+    - push
+    - pull_request
 
 ---
 
 kind: pipeline
 type: docker
-name: build-arm32v7
+name: check-arm32v7
 
 platform:
   arch: amd64
@@ -141,6 +161,10 @@ steps:
   pull: always
   commands:
   - cargo check --target=armv7-unknown-linux-musleabihf
-  - cargo build --target=armv7-unknown-linux-musleabihf --release
-  - cargo build --target=armv7-unknown-linux-musleabihf --example client --features opentelemetry_0_16 --release
-  - cargo build --target=armv7-unknown-linux-musleabihf --example server --features opentelemetry_0_16 --release
+  - cargo check --target=armv7-unknown-linux-musleabihf --example client --features opentelemetry_0_16
+  - cargo check --target=armv7-unknown-linux-musleabihf --example server --features opentelemetry_0_16
+
+trigger:
+  event:
+    - push
+    - pull_request