Temporarily specify all pip package versions on my machine

This is an experiment to see if pinned versions fix
#641

It was created by running

cd obsidian-hub/.github/scripts
python -m pip freeze -r requirements.txt

.github/scripts/requirements.txt

@@ -1,13 +1,41 @@
-jinja2
-pyyaml
-requests
+Jinja2==3.0.3
+PyYAML==6.0
+requests==2.27.1
 approvaltests==3.5.0
-pytest
-pytest-runner
-mypy
-types-PyYAML
-types-requests
-monkeytype
-github3api
-markdownify
-feedparser
+pytest==6.2.5
+pytest-runner==6.0.0
+mypy==0.931
+types-PyYAML==6.0.4
+types-requests==2.27.8
+MonkeyType==21.5.0
+github3api==0.3.0
+markdownify==0.11.6
+feedparser==6.0.10
+## The following requirements were added by pip freeze:
+attrs==21.2.0
+beautifulsoup4==4.10.0
+bs4==0.0.1
+certifi==2021.10.8
+charset-normalizer==2.0.9
+empty-files==0.0.3
+idna==3.3
+iniconfig==1.1.1
+libcst==0.4.1
+MarkupSafe==2.0.1
+mypy-extensions==0.4.3
+packaging==21.3
+pluggy==1.0.0
+py==1.11.0
+pyparsing==3.0.6
+pyperclip==1.5.27
+rest3client==0.5.0
+retrying==1.3.3
+sgmllib3k==1.0.0
+six==1.16.0
+soupsieve==2.3.1
+toml==0.10.2
+tomli==2.0.0
+types-urllib3==1.26.8
+typing-extensions==4.0.1
+typing-inspect==0.7.1
+urllib3==1.26.7