Bump the gateway-dependencies group in /gateway with 5 updates (#2471)

* Bump the gateway-dependencies group in /gateway with 5 updates

Updates the requirements on [django](https://github.com/django/django), [ibm-platform-services](https://github.com/IBM/platform-services-python-sdk), [ibm-cloud-sdk-core](https://github.com/IBM/python-sdk-core), [tox](https://github.com/tox-dev/tox) and [import-linter](https://github.com/seddonym/import-linter) to permit the latest version.

Updates `django` to 6.1.1
- [Commits](django/django@6.0.8...6.1.1)

Updates `ibm-platform-services` to 0.77.1
- [Release notes](https://github.com/IBM/platform-services-python-sdk/releases)
- [Changelog](https://github.com/IBM/platform-services-python-sdk/blob/main/CHANGELOG.md)
- [Commits](IBM/platform-services-python-sdk@v0.77.0...v0.77.1)

Updates `ibm-cloud-sdk-core` to 3.26.1
- [Release notes](https://github.com/IBM/python-sdk-core/releases)
- [Changelog](https://github.com/IBM/python-sdk-core/blob/main/CHANGELOG.md)
- [Commits](IBM/python-sdk-core@v3.26.0...v3.26.1)

Updates `tox` to 4.61.2
- [Release notes](https://github.com/tox-dev/tox/releases)
- [Changelog](https://github.com/tox-dev/tox/blob/main/docs/changelog.rst)
- [Commits](tox-dev/tox@4.61.1...4.61.2)

Updates `import-linter` to 2.15
- [Changelog](https://github.com/seddonym/import-linter/blob/main/docs/release_notes.md)
- [Commits](seddonym/import-linter@v2.14...v2.15)

---
updated-dependencies:
- dependency-name: django
  dependency-version: 6.1.1
  dependency-type: direct:production
  dependency-group: gateway-dependencies
- dependency-name: ibm-platform-services
  dependency-version: 0.77.1
  dependency-type: direct:production
  dependency-group: gateway-dependencies
- dependency-name: ibm-cloud-sdk-core
  dependency-version: 3.26.1
  dependency-type: direct:production
  dependency-group: gateway-dependencies
- dependency-name: tox
  dependency-version: 4.61.2
  dependency-type: direct:development
  dependency-group: gateway-dependencies
- dependency-name: import-linter
  dependency-version: '2.15'
  dependency-type: direct:development
  dependency-group: gateway-dependencies
...

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

* Update requirements.txt

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Elena Peña Tapia <57907331+ElePT@users.noreply.github.com>

Author: dependabot[bot]

gateway/requirements-dev.txt

@@ -9,6 +9,6 @@ requests-mock>=1.12.1
 coverage>=7.16.0
 pytest-cov>=7.1.0
 responses>=0.26.3
-tox>=4.61.1
+tox>=4.61.2
 pre-commit>=4.6.2
-import-linter>=2.14
+import-linter>=2.15

gateway/requirements.txt

@@ -25,12 +25,12 @@ django-cors-headers>=4.9.0, <5
 whitenoise>=6.12.0, <7
 objsize>=0.8.0, <1
 psutil>=7.2.2, <8
-ibm-platform-services>=0.77.0, <1
+ibm-platform-services>=0.77.1, <1
 python-magic>=0.4.27, <1
 python-json-logger>=4.2.0
 PyJWT>=2.13.0, <3
 ibm-cos-sdk>=2.16.2, <3
-ibm-cloud-sdk-core>=3.26.0, <4
+ibm-cloud-sdk-core>=3.26.1, <4
 jsonschema>=4.26.0,<5
 confluent-kafka>=2.15.0,<3
 mozilla-django-oidc>=5.0.2, <6