Python log parser - handle limited size log content

[attiasas]

• [x] All tests passed. If this feature is not already covered by the tests, I added new tests.
• [x] All static analysis checks passed.
• [x] This pull request is on the dev branch.

• [x] I used gofmt for formatting the code before submitting the pull request.

We have cases when installing that the log content has limited size and the content is split to multiple content, for example with pipenv:

Looking in indexes: 
***localhost:8081/artifactory/api/pypi/cli-pipenv-pypi-virtual-16
98829624/simple

Collecting pexpect==4.8.0 (from -r 
/tmp/pipenv-hx6_n8fi-requirements/pipenv-xuuwb5sl-hashed-reqs.txt (line 1))

  Using cached 
http://localhost:8081/artifactory/api/pypi/cli-pipenv-pypi-virtual-1698829624/pa
ckages/packages/39/7b/88dbb785881c28a102619d46423cb853b46dbccc70d3ac362d99773a78
ce/pexpect-4.8.0-py2.py3-none-any.whl (59 kB)

Collecting ptyprocess==0.7.0 (from -r 
/tmp/pipenv-hx6_n8fi-requirements/pipenv-xuuwb5sl-hashed-reqs.txt (line 2))

  Using cached 
http://localhost:8081/artifactory/api/pypi/cli-pipenv-pypi-virtual-1698829624/pa
ckages/packages/22/a6/858897256d0deac81a172289110f31629fc4cee19b6f01283303e18c8d
b3/ptyprocess-0.7.0-py2.py3-none-any.whl (13 kB)

Collecting toml==0.10.2 (from -r 
/tmp/pipenv-hx6_n8fi-requirements/pipenv-xuuwb5sl-hashed-reqs.txt (line 3))

  Using cached 
http://localhost:8081/artifactory/api/pypi/cli-pipenv-pypi-virtual-1698829624/pa
ckages/packages/44/6f/7120676b6d73228c96e17f1f794d8ab046fc910d781c8d151120c3f156
9e/toml-0.10.2-py2.py3-none-any.whl (16 kB)

Installing collected packages: ptyprocess, pexpect, toml

Successfully installed pexpect-4.8.0 ptyprocess-0.7.0 toml-0.10.2

the split lines cause our code not to match the expected Regex, and we could not collect the dependencies