chore: add Mara Averick to CONTRIBUTORS and .mailmap

---
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: Planeshifter

.mailmap

@@ -228,6 +228,8 @@ Lovelin Dhoni J B <100030865+lovelindhoni@users.noreply.github.com> Lovelin
 
 Manvith M <148960168+manvith2003@users.noreply.github.com> Manvith
 
+Mara Averick <batpigandme@users.noreply.github.com> batpigandme
+
 Marcus Fantham <mfantham@users.noreply.github.com> Marcus
 
 Matt Cochrane <matthew.cochrane.eng@gmail.com> <mattisback@gmail.com>

CONTRIBUTORS

@@ -120,6 +120,7 @@ Mahfuza Humayra Mohona <mhmohona@gmail.com>
 MANI <77221000+Eternity0207@users.noreply.github.com>
 Manik Sharma <maniksharma.rke@gmail.com>
 Manvith M <148960168+manvith2003@users.noreply.github.com>
+Mara Averick <batpigandme@users.noreply.github.com>
 Marcus Fantham <mfantham@users.noreply.github.com>
 Matt Cochrane <matthew.cochrane.eng@gmail.com>
 Mihir Pandit <129577900+MSP20086@users.noreply.github.com>