ci(build): split tests from matrix builds to avoid repetition

.woodpecker.yml

@@ -35,6 +35,23 @@ steps:
       - cargo install cargo-audit --locked
       - cargo audit
 
+---
+kind: pipeline
+name: release-tests
+
+when:
+  event: tag
+  tag: v*
+
+steps:
+  - name: workspace-tests
+    image: rust:1.83
+    commands:
+      - rustup component add llvm-tools-preview
+      - cargo install cargo-llvm-cov --locked
+      - cargo llvm-cov --workspace --all-features --summary-only
+      - cargo llvm-cov --workspace --all-features --lcov --output-path coverage.lcov --no-run
+
 ---
 kind: pipeline
 name: release
@@ -46,6 +63,9 @@ when:
 variables:
   - &rust_image 'rust:1.83'
 
+depends_on:
+  - release-tests
+
 matrix:
   include:
     # Linux
@@ -80,14 +100,6 @@ matrix:
       EXT: ".exe"
 
 steps:
-  - name: tests
-    image: *rust_image
-    commands:
-      - rustup component add llvm-tools-preview
-      - cargo install cargo-llvm-cov --locked
-      - cargo llvm-cov --workspace --all-features --summary-only
-      - cargo llvm-cov --workspace --all-features --lcov --output-path coverage.lcov --no-run
-
   - name: build
     image: *rust_image
     commands: