Move linux-install-compare into its own reusable workflow

Author: stefanor

.github/workflows/build.yml

@@ -582,23 +582,8 @@ jobs:
 
   linux-install-compare:
     name: Ubuntu co-install comparison
-    runs-on: ubuntu-latest
+    uses: ./.github/workflows/reusable-linux-install-compare.yml
     needs: build-ubuntu
-    steps:
-      - uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
-        with:
-          python-version: '3.x'
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
-        with:
-          persist-credentials: false
-      - name: Download install hashes
-        uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
-        with:
-          path: install-hashes
-          pattern: install-hashes-*
-          merge-multiple: true
-      - name: Compare install hashes
-        run: python3 Tools/coinstall-check/compare.py install-hashes
 
   cifuzz:
     # ${{ '' } is a hack to nest jobs under the same sidebar category.

.github/workflows/reusable-linux-install-compare.yml

@@ -0,0 +1,27 @@
+name: Reusable Ubuntu co-install comparison
+
+permissions:
+  contents: read
+
+env:
+  FORCE_COLOR: 1
+
+jobs:
+  install-compare:
+    name: Ubuntu co-install comparison
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
+        with:
+          python-version: '3.x'
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        with:
+          persist-credentials: false
+      - name: Download install hashes
+        uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
+        with:
+          path: install-hashes
+          pattern: install-hashes-*
+          merge-multiple: true
+      - name: Compare install hashes
+        run: python3 Tools/coinstall-check/compare.py install-hashes