Bump fastapi-slim from 0.115.4 to 0.115.5 in /requirements

Bumps [fastapi-slim](https://github.com/fastapi/fastapi) from 0.115.4 to 0.115.5.
- [Release notes](https://github.com/fastapi/fastapi/releases)
- [Commits](fastapi/fastapi@0.115.4...0.115.5)

---
updated-dependencies:
- dependency-name: fastapi-slim
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

requirements/main.txt

@@ -127,9 +127,9 @@ cryptography==43.0.3 \
     --hash=sha256:f46304d6f0c6ab8e52770addfa2fc41e6629495548862279641972b6215451cd \
     --hash=sha256:f7b178f11ed3664fd0e995a47ed2b5ff0a12d893e41dd0494f406d1cf555cab7
     # via -r main.in
-fastapi-slim==0.115.4 \
-    --hash=sha256:6d37987e4d1f6adefb8c7119c9b804e59c9b3f1a488be5425994d52308e2f958 \
-    --hash=sha256:8947515618c21665590a1673a0bfe4c721db4267999c149d5301c3c0f7b3d9ce
+fastapi-slim==0.115.5 \
+    --hash=sha256:02a064de6eb90df9fc9d597e586a5c7e54a0bcebb642e889d27d66b2ecd831a6 \
+    --hash=sha256:e847feadae9f87cabbc178ae665113f73d8c74afc3290d88cc263b701209057f
     # via -r main.in
 h11==0.14.0 \
     --hash=sha256:8f19fbbe99e72420ff35c00b27a34cb9937e902a8b810e2c88300c6f0a3b699d \