docs(devcontainer): fix theme name typo in Dockerfile comment

The zsh-in-docker script installs the powerlevel10k theme, not
"powerline10k". Comment-only change; no functional impact.

.devcontainer/Dockerfile

@@ -68,7 +68,7 @@ ENV SHELL=/bin/zsh
 ENV EDITOR=nano
 ENV VISUAL=nano
 
-# Default powerline10k theme
+# Default powerlevel10k theme
 ARG ZSH_IN_DOCKER_VERSION=1.2.0
 RUN sh -c "$(wget -O- https://github.com/deluan/zsh-in-docker/releases/download/v${ZSH_IN_DOCKER_VERSION}/zsh-in-docker.sh)" -- \
   -p git \

CHANGELOG.md

@@ -1,9 +1,5 @@
 # Changelog
 
-## 2.1.107
-
-- Show thinking hints sooner during long operations
-
 ## 2.1.105
 
 - Added `path` parameter to the `EnterWorktree` tool to switch into an existing worktree of the current repository