Removed unused dependencies (#189)

* Removed unused dependencies typeguard and joblib
* Update pull request template

Author: ckunki

.github/pull_request_template.md

@@ -1,5 +1,6 @@
 ### Submission Checklist
 
+* [ ] Did you mention the issue which this pull request closes ("Closes ...")?
 * [ ] Updated the changelog in file `doc/changes/unreleased.md`
 
 If required

pyproject.toml

@@ -30,8 +30,6 @@ keywords = ['exasol', 'bucketfs']
 [tool.poetry.dependencies]
 python = ">=3.9,<4.0"
 requests = ">=2.24.0"
-joblib=">=1.0.1"
-typeguard = ">=4.3.0"
 exasol-saas-api=">=0.3.0"
 # Temp.fix
 httpx=">=0.27.0"