Refactor CI workflows (#37487)

1. only trigger docker-dryrun arm64&riscv64 when dockerfile changes
2. de-duplicate "contents: read" permission for most workflows
3. merge various "lint-*" jobs into one job
4. add missing lint targets to the "lint" (all) target

.github/workflows/pull-e2e-tests.yml

@@ -7,18 +7,17 @@ concurrency:
   group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
   cancel-in-progress: true
 
+permissions:
+  contents: read
+
 jobs:
   files-changed:
     uses: ./.github/workflows/files-changed.yml
-    permissions:
-      contents: read
 
   test-e2e:
     if: needs.files-changed.outputs.backend == 'true' || needs.files-changed.outputs.frontend == 'true' || needs.files-changed.outputs.e2e == 'true'
     needs: files-changed
     runs-on: ubuntu-latest
-    permissions:
-      contents: read
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       - uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0