chore(deps): bump conan from 2.15.0 to 2.15.1 in /.devcontainer

Bumps [conan](https://github.com/conan-io/conan) from 2.15.0 to 2.15.1.
- [Release notes](https://github.com/conan-io/conan/releases)
- [Commits](conan-io/conan@2.15.0...2.15.1)

---
updated-dependencies:
- dependency-name: conan
  dependency-version: 2.15.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

.devcontainer/cpp/requirements.in

@@ -1,3 +1,3 @@
 cmake==4.0.0
-conan==2.15.0
+conan==2.15.1
 gcovr==8.3

.devcontainer/cpp/requirements.txt

@@ -144,8 +144,8 @@ colorlog==6.8.2 \
     --hash=sha256:3e3e079a41feb5a1b64f978b5ea4f46040a94f11f0e8bbb8261e3dbbeca64d44 \
     --hash=sha256:4dcbb62368e2800cb3c5abd348da7e53f6c362dda502ec27c560b2e58a66bd33
     # via gcovr
-conan==2.15.0 \
-    --hash=sha256:c984c5fb0623ea60b39c2feb351886a3e2df8f6a1f99e3f322125a24198f05da
+conan==2.15.1 \
+    --hash=sha256:c4114e197f7908409766ad16cea758f088ebc926f8426212b2a6a62829f996a3
     # via -r cpp/requirements.in
 distro==1.8.0 \
     --hash=sha256:02e111d1dc6a50abb8eed6bf31c3e48ed8b0830d1ea2a1b78c61765c2513fdd8 \