Use toolchains.yml in lints.

Author: evgenyzdanovich

.github/workflows/lint.yml

@@ -10,6 +10,8 @@ env:
   CARGO_TERM_COLOR: always
 
 jobs:
+  toolchains:
+    uses: ./.github/workflows/toolchains.yml
   clippy:
     name: Run clippy on crates
     runs-on: ubuntu-latest

.github/workflows/toolchains.yml

@@ -1,19 +1,15 @@
-name: Install toolchains
+# A helper reusable workflow to install all the toolchains.
 
-#on:
-#  workflow_call:
+name: Install toolchains
 
 on:
-  pull_request:
-  merge_group:
-  push:
-    branches: [main]
+  workflow_call:
 
 jobs:
   install-toolchains:
-    permissions:
+    #permissions:
       # Needed to install the toolchain.
-      contents: write
+      #contents: write
     runs-on: ubuntu-latest
 
     steps: