chore(github): extract matrix from workflows

Author: JamieMason

.github/workflows/_build-matrix.yaml

@@ -0,0 +1,26 @@
+name: Build matrix
+
+on:
+  workflow_call:
+    outputs:
+      build_matrix:
+        description: JSON array of build configurations from matrix.json
+        value: ${{ jobs.build-matrix.outputs.build_matrix }}
+
+jobs:
+  build-matrix:
+    name: Build matrix
+    runs-on: ubuntu-latest
+    outputs:
+      build_matrix: ${{ steps.set-matrix.outputs.build_matrix }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          sparse-checkout: |
+            .github/workflows/matrix.json
+          sparse-checkout-cone-mode: false
+      - id: set-matrix
+        shell: bash
+        run: |
+          echo "build_matrix=$( cat .github/workflows/matrix.json | jq --monochrome-output --compact-output )" >> $GITHUB_OUTPUT

.github/workflows/ci.yaml

@@ -12,21 +12,7 @@ on:
 
 jobs:
   build-matrix:
-    name: Build matrix
-    runs-on: ubuntu-latest
-    outputs:
-      build_matrix: ${{ steps.set-matrix.outputs.build_matrix }}
-    steps:
-      - name: Checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
-        with:
-          sparse-checkout: |
-            .github/workflows/matrix.json
-          sparse-checkout-cone-mode: false
-      - id: set-matrix
-        shell: bash
-        run: |
-          echo "build_matrix=$( cat .github/workflows/matrix.json | jq --monochrome-output --compact-output )" >> $GITHUB_OUTPUT
+    uses: ./.github/workflows/_build-matrix.yaml
 
   lint-and-test:
     name: Lint and test (${{ matrix.build.NAME }})

.github/workflows/release.yaml

@@ -10,21 +10,7 @@ permissions:
 
 jobs:
   build-matrix:
-    name: Build matrix
-    runs-on: ubuntu-latest
-    outputs:
-      build_matrix: ${{ steps.set-matrix.outputs.build_matrix }}
-    steps:
-      - name: Checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
-        with:
-          sparse-checkout: |
-            .github/workflows/matrix.json
-          sparse-checkout-cone-mode: false
-      - id: set-matrix
-        shell: bash
-        run: |
-          echo "build_matrix=$( cat .github/workflows/matrix.json | jq --monochrome-output --compact-output )" >> $GITHUB_OUTPUT
+    uses: ./.github/workflows/_build-matrix.yaml
 
   publish-npm-binaries:
     name: Publish npm binaries

.github/workflows/test-release.yaml

@@ -7,21 +7,7 @@ on:
 
 jobs:
   build-matrix:
-    name: Build matrix
-    runs-on: ubuntu-latest
-    outputs:
-      build_matrix: ${{ steps.set-matrix.outputs.build_matrix }}
-    steps:
-      - name: Checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
-        with:
-          sparse-checkout: |
-            .github/workflows/matrix.json
-          sparse-checkout-cone-mode: false
-      - id: set-matrix
-        shell: bash
-        run: |
-          echo "build_matrix=$( cat .github/workflows/matrix.json | jq --monochrome-output --compact-output )" >> $GITHUB_OUTPUT
+    uses: ./.github/workflows/_build-matrix.yaml
 
   publish-npm-binaries:
     name: (Test) Publish npm binaries