Fix critical security vulnerability

Wait with boulder (re)start until MySQL migration has completed (#224)

Bump crazy-max/ghaction-import-gpg from 6 to 7

Bumps [crazy-max/ghaction-import-gpg](https://github.com/crazy-max/ghaction-import-gpg) from 6 to 7.
- [Release notes](https://github.com/crazy-max/ghaction-import-gpg/releases)
- [Commits](crazy-max/ghaction-import-gpg@v6...v7)

---
updated-dependencies:
- dependency-name: crazy-max/ghaction-import-gpg
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Bump boulder version to v0.20251216.0

Bump boulder version to v0.20250908.0

Remove now unused _encrypt function

Fix redis certificate after IP range changed

Update README files to make docker-only the primary setup

The install script method is now considered a legacy method

Fix cleanup of now obsolete bpkilint container

Bump boulder version to release-2025-02-14