build(deps): bump flask from 1.1.2 to 2.3.2 in /src

Bumps [flask](https://github.com/pallets/flask) from 1.1.2 to 2.3.2.
- [Release notes](https://github.com/pallets/flask/releases)
- [Changelog](https://github.com/pallets/flask/blob/main/CHANGES.rst)
- [Commits](https://github.com/pallets/flask/compare/1.1.2...2.3.2)

---
updated-dependencies:
- dependency-name: flask
  dependency-type: direct:production
...

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

README.md

@@ -62,10 +62,10 @@ Set the following volumes with the -v tag.
 
 | Volume-Name | Container mount           | Description                                                  |
 | ----------- | ------------------------- | ------------------------------------------------------------ |
-| config-file | /wiki/src/config.py       | Config file                                                  |
-| entries     | /wiki/src/templates/entry | Directory for wiki entries                                   |
-| css         | /wiki/src/static/css      | (optional) Directory for css files                           |
-| html        | /wiki/src/templates       | (optional) Directory for templates (entry-volume not needed) |
+| config-file | /wiki/config.py       | Config file                                                  |
+| entries     | /wiki/templates/entry | Directory for wiki entries                                   |
+| css         | /wiki/static/css      | (optional) Directory for css files                           |
+| html        | /wiki/templates       | (optional) Directory for templates (entry-volume not needed) |
 
 #### Ports
 

src/requirements.txt

@@ -1,5 +1,5 @@
 Markdown==3.1.1
 WTForms==2.2.1
-Flask==1.1.2
+Flask==2.3.2
 Flask_WTF==0.14.3
 Whoosh==2.7.4