fix: examples/mamba/requirements.txt to reduce vulnerabilities (#63)

The following vulnerabilities are fixed by pinning transitive dependencies:
- https://snyk.io/vuln/SNYK-PYTHON-AIOHTTP-6091621
- https://snyk.io/vuln/SNYK-PYTHON-AIOHTTP-6091622
- https://snyk.io/vuln/SNYK-PYTHON-AIOHTTP-6209406
- https://snyk.io/vuln/SNYK-PYTHON-AIOHTTP-6209407
- https://snyk.io/vuln/SNYK-PYTHON-AIOHTTP-6645291
- https://snyk.io/vuln/SNYK-PYTHON-AIOHTTP-6808823
- https://snyk.io/vuln/SNYK-PYTHON-NUMPY-2321964
- https://snyk.io/vuln/SNYK-PYTHON-NUMPY-2321966
- https://snyk.io/vuln/SNYK-PYTHON-NUMPY-2321970
- https://snyk.io/vuln/SNYK-PYTHON-PYARROW-6052811
- https://snyk.io/vuln/SNYK-PYTHON-REQUESTS-6928867
- https://snyk.io/vuln/SNYK-PYTHON-URLLIB3-7267250
- https://snyk.io/vuln/SNYK-PYTHON-ZIPP-7430899

Co-authored-by: snyk-bot <snyk-bot@snyk.io>

Author: jan-service-account

examples/mamba/requirements.txt

@@ -4,3 +4,9 @@ datasets==2.14.6
 evaluate~=0.4.1
 rouge_score~=0.1.2
 sentencepiece~=0.1.99
+aiohttp>=3.9.4 # not directly required, pinned by Snyk to avoid a vulnerability
+numpy>=1.22.2 # not directly required, pinned by Snyk to avoid a vulnerability
+pyarrow>=14.0.1 # not directly required, pinned by Snyk to avoid a vulnerability
+requests>=2.32.2 # not directly required, pinned by Snyk to avoid a vulnerability
+urllib3>=2.2.2 # not directly required, pinned by Snyk to avoid a vulnerability
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability