[do not merge] feat: latest dev updates split

[bigpick]

Info

Creating a latest dev offshoot, to start being able to merge/test/continuing updates to in one place, until the-powers-that-be get around to being able to divvy up maintainer rights to those looking to help handle work.

Contents

• fix: remove unused dependency on no-longer-maintained tox-pip-extensions that causes tox>=4 to unnecessarily break
• fix: File enumeration fails on older git binary
• chore: unpin urllib3
• feat: plugins reuse excludes CLI arg
  • fix: tests for plugins reuse excludes CLI arg
• chore(test): modernise and skip db2 tests on arm64

Includes/replaces

• 147

• 149

• 151

• 156

closes

• https://github.com/IBM/detect-secrets/issues/132
• https://github.com/IBM/detect-secrets/issues/148
• https://github.com/IBM/detect-secrets/issues/131

[bigpick]

(FYI @dnwe)