chore(deps): bump jinja2 from 3.1.4 to 3.1.5 in /.kokoro (#24318)

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: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.kokoro/requirements.in

@@ -6,7 +6,7 @@ cryptography==42.0.4
 cachetools==4.2.4
 cffi==1.15.1
 jeepney==0.7.1
-jinja2==3.1.4
+jinja2==3.1.5
 markupsafe==2.0.1
 keyring==23.4.1
 packaging==21.3

.kokoro/requirements.txt

@@ -250,9 +250,9 @@ jeepney==0.7.1 \
     #   -r requirements.in
     #   keyring
     #   secretstorage
-jinja2==3.1.4 \
-    --hash=sha256:4a3aee7acbbe7303aede8e9648d13b8bf88a429282aa6122a993f0ac800cb369 \
-    --hash=sha256:bc5dd2abb727a5319567b7a813e6a2e7318c39f4f487cfe6c89c6f9c7d25197d
+jinja2==3.1.5 \
+    --hash=sha256:8fefff8dc3034e27bb80d67c671eb8a9bc424c0ef4c0826edbff304cceff43bb \
+    --hash=sha256:aba0f4dc9ed8013c424088f68a5c226f7d6097ed89b246d7749c2ec4175c6adb
     # via
     #   -r requirements.in
     #   gcp-releasetool