Bump jinja2 from 3.1.4 to 3.1.5 in /doc/src

Bumps [jinja2](https://github.com/pallets/jinja) from 3.1.4 to 3.1.5.
- [Release notes](https://github.com/pallets/jinja/releases)
- [Changelog](https://github.com/pallets/jinja/blob/main/CHANGES.rst)
- [Commits](pallets/jinja@3.1.4...3.1.5)

---
updated-dependencies:
- dependency-name: jinja2
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <[email protected]>

doc/src/requirements.txt

@@ -20,7 +20,7 @@ idna==3.10
     # via requests
 imagesize==1.4.1
     # via sphinx
-jinja2==3.1.4
+jinja2==3.1.5
     # via sphinx
 markupsafe==2.1.5
     # via jinja2
@@ -34,11 +34,11 @@ snowballstemmer==2.2.0
     # via sphinx
 sphinx==7.4.7
     # via
-    #   -r doc/src/../../rakelib/init_deps/sphinx.in
+    #   -r ../../rakelib/init_deps/sphinx.in
     #   sphinx-rtd-theme
     #   sphinxcontrib-jquery
 sphinx-rtd-theme==2.0.0
-    # via -r doc/src/../../rakelib/init_deps/sphinx.in
+    # via -r ../../rakelib/init_deps/sphinx.in
 sphinxcontrib-applehelp==2.0.0
     # via sphinx
 sphinxcontrib-devhelp==2.0.0