Sync repo templates ⚙

Sync with coreos/repo-templates@f12bf00.

Author: coreosbot

.github/dependabot.yml

@@ -16,3 +16,11 @@ updates:
     open-pull-requests-limit: 10
     labels:
       - dependency
+
+    # Group all updates together in a single PR. We can remove some
+    # updates from a combined update PR via comments to dependabot:
+    # https://docs.github.com/en/code-security/dependabot/working-with-dependabot/managing-pull-requests-for-dependency-updates#managing-dependabot-pull-requests-for-grouped-updates-with-comment-commands
+    groups:
+      build:
+        patterns:
+          - "*"

.github/workflows/rust.yml

@@ -18,7 +18,7 @@ concurrency:
 env:
   CARGO_TERM_COLOR: always
   # Pinned toolchain for linting
-  ACTIONS_LINTS_TOOLCHAIN: 1.75.0
+  ACTIONS_LINTS_TOOLCHAIN: 1.84.1
 
 jobs:
   tests-stable: