Update Dockerfile.n8n to specify git version for compatibility

- Changed the git installation in the Dockerfile to a specific version (2.43.0-r0) to ensure compatibility with the backup script.
- This update enhances the stability of the n8n environment by preventing potential issues with newer git versions.

Author: anatolyshipitz

Dockerfile.n8n

@@ -9,7 +9,7 @@ ARG SLACKIFY_MARKDOWN_VERSION=^4.5.0
 # Install git for backup script and other packages + install external packages in one layer
 USER root
 RUN set -eux; \
-  apk add --no-cache git && \
+  apk add --no-cache git=2.43.0-r0 && \
   npm install -g --no-audit --no-fund --ignore-scripts \
     --legacy-peer-deps --no-workspaces \
     --unsafe-perm \