contrib: expand Windows mixin rules and publish runbooks (#2575)

Signed-off-by: Jan-Otto Kröpke <mail@jkroepke.de>

.github/workflows/mixin.yml

@@ -17,6 +17,10 @@ on:
 
 permissions: {}
 
+concurrency:
+  group: mixin-${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   rules:
     name: Validate Prometheus rules
@@ -34,9 +38,17 @@ jobs:
 
       - uses: actions/setup-go@b7ad1dad31e06c5925ef5d2fc7ad053ef454303e # v7.0.0
         with:
-          go-version: '1.27.1'
+          go-version-file: go.mod
+
+      - name: Cache mixin tools
+        id: tools-cache
+        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
+        with:
+          path: ~/go/bin
+          key: ${{ runner.os }}-${{ runner.arch }}-mixin-tools-${{ hashFiles('contrib/mixin/Makefile', 'go.mod') }}
 
       - name: Install pinned tools
+        if: steps.tools-cache.outputs.cache-hit != 'true'
         run: make tools
 
       - name: Lint and test rules