chore: fix default_linters removal and align R version

Remove deprecated `default_linters` argument from
`linters_with_defaults` call in `linter.R` and align
R version to 4.2.0 in `lint_random_files` workflow.

Assisted-by: Claude Sonnet 4 <noreply@anthropic.com>

---
type: pre_commit_static_analysis_report
description: Results of running static analysis checks when committing changes.
report:
  - task: lint_filenames
    status: passed
  - task: lint_editorconfig
    status: passed
  - task: lint_markdown
    status: na
  - task: lint_package_json
    status: na
  - task: lint_repl_help
    status: na
  - task: lint_javascript_src
    status: na
  - task: lint_javascript_cli
    status: na
  - task: lint_javascript_examples
    status: na
  - task: lint_javascript_tests
    status: na
  - task: lint_javascript_benchmarks
    status: na
  - task: lint_python
    status: na
  - task: lint_r
    status: na
  - task: lint_c_src
    status: na
  - task: lint_c_examples
    status: na
  - task: lint_c_benchmarks
    status: na
  - task: lint_c_tests_fixtures
    status: na
  - task: lint_shell
    status: na
  - task: lint_typescript_declarations
    status: passed
  - task: lint_typescript_tests
    status: na
  - task: lint_license_headers
    status: passed
---

Author: batpigandme

.github/workflows/lint_random_files.yml

@@ -374,7 +374,7 @@ jobs:
         # Pin action to full length commit SHA
         uses: r-lib/actions/setup-r@6f6e5bc62fba3a704f74e7ad7ef7676c5c6a2590 # v2.11.4
         with:
-          r-version: '4.3.3'
+          r-version: '4.2.0'
 
       # Lint R files:
       - name: 'Lint R files'

tools/lint/r/linter.R

@@ -42,7 +42,7 @@ if ( n == 0L ) {
 options( warnPartialMatchDollar = TRUE );
 
 # Specify which linters to use...
-linters <- lintr::linters_with_defaults( defaults = lintr::default_linters,
+linters <- lintr::linters_with_defaults(
 	# Check that no absolute paths are used:
 	absolute_path_linter = lintr::absolute_path_linter(),