Bump the all_dependencies group across 1 directory with 2 updates

Bumps the all_dependencies group with 2 updates in the /packages/leancode_markup directory: [custom_lint](https://github.com/invertase/dart_custom_lint) and [leancode_lint](https://github.com/leancodepl/flutter_corelibrary).


Updates `custom_lint` from 0.6.10 to 0.7.5
- [Commits](invertase/dart_custom_lint@custom_lint-v0.6.10...custom_lint-v0.7.5)

Updates `leancode_lint` from 12.1.0 to 15.1.0
- [Release notes](https://github.com/leancodepl/flutter_corelibrary/releases)
- [Commits](leancode_lint-v12.1.0...leancode_lint-v15.1.0)

Updates `leancode_lint` from 12.1.0 to 15.1.0
- [Release notes](https://github.com/leancodepl/flutter_corelibrary/releases)
- [Commits](leancode_lint-v12.1.0...leancode_lint-v15.1.0)

---
updated-dependencies:
- dependency-name: custom_lint
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: all_dependencies
- dependency-name: leancode_lint
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: all_dependencies
- dependency-name: leancode_lint
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: all_dependencies
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

packages/leancode_markup/pubspec.yaml

@@ -20,7 +20,7 @@ dependencies:
 
 dev_dependencies:
   benchmark_harness: ^2.2.2
-  custom_lint: ^0.6.4
+  custom_lint: ">=0.6.4 <0.8.0"
   flutter_test:
     sdk: flutter
-  leancode_lint: ^12.0.0
+  leancode_lint: ">=12.0.0 <16.0.0"