Update common Prometheus files (#2158)

Signed-off-by: prombot <prometheus-team@googlegroups.com>

.yamllint

@@ -14,4 +14,14 @@ rules:
   document-start: disable
   indentation:
     spaces: consistent
+  key-duplicates:
+    ignore: |
+      config/testdata/section_key_dup.bad.yml
   line-length: disable
+  truthy:
+    ignore: |
+      .github/workflows/codeql-analysis.yml
+      .github/workflows/funcbench.yml
+      .github/workflows/fuzzing.yml
+      .github/workflows/prombench.yml
+      .github/workflows/golangci-lint.yml