Remove obsolete build-arm.yml configuration file from Woodpecker pipeline. This file is no longer needed following recent updates to the build process.

.woodpecker/01-test.yml

@@ -0,0 +1,19 @@
+when:
+  event: [push, pull_request, manual]
+  branch: [dev, stage, main]
+
+labels:
+  platform: arm64
+
+steps:
+  - name: unit-tests
+    image: mcr.microsoft.com/dotnet/sdk:10.0
+    commands:
+      - dotnet restore Azaion.AdminApi.sln
+      - dotnet test Azaion.AdminApi.sln --no-restore --configuration Release --logger "console;verbosity=normal" --logger "trx;LogFileName=test-results.trx" --results-directory /app/test-results
+
+  - name: e2e-tests
+    image: mcr.microsoft.com/dotnet/sdk:10.0
+    commands:
+      - dotnet restore e2e/Azaion.E2E/Azaion.E2E.csproj
+      - dotnet test e2e/Azaion.E2E/Azaion.E2E.csproj --no-restore --configuration Release --logger "console;verbosity=normal" --logger "trx;LogFileName=e2e-results.trx" --results-directory /app/test-results

.woodpecker/02-build-push.yml

@@ -2,8 +2,20 @@ when:
   event: [push, manual]
   branch: [dev, stage, main]
 
+depends_on:
+  - 01-test
+
+# Multi-arch matrix. Adding amd64 = uncommenting the second entry once an
+# amd64 agent is online.
+matrix:
+  include:
+    - PLATFORM: arm64
+      TAG_SUFFIX: arm
+    # - PLATFORM: amd64
+    #   TAG_SUFFIX: amd
+
 labels:
-  platform: arm64
+  platform: ${PLATFORM}
 
 steps:
   - name: build-push
@@ -17,7 +29,7 @@ steps:
         from_secret: registry_token
     commands:
       - echo "$REGISTRY_TOKEN" | docker login "$REGISTRY_HOST" -u "$REGISTRY_USER" --password-stdin
-      - export TAG=${CI_COMMIT_BRANCH}-arm
+      - export TAG=${CI_COMMIT_BRANCH}-${TAG_SUFFIX}
       - export BUILD_DATE=$(date -u +%Y-%m-%dT%H:%M:%SZ)
       - |
         docker build -f Dockerfile \