Update charmcraft.yaml build tools (#1093)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

charmcraft.yaml

@@ -27,15 +27,15 @@ parts:
       PIP_BREAK_SYSTEM_PACKAGES=true python3 -m pip install --user --upgrade pip==25.2  # renovate: charmcraft-pip-latest
 
       # Use uv to install poetry so that a newer version of Python can be installed if needed by poetry
-      curl --proto '=https' --tlsv1.2 -LsSf https://github.com/astral-sh/uv/releases/download/0.8.4/uv-installer.sh | sh  # renovate: charmcraft-uv-latest
+      curl --proto '=https' --tlsv1.2 -LsSf https://github.com/astral-sh/uv/releases/download/0.8.8/uv-installer.sh | sh  # renovate: charmcraft-uv-latest
       # poetry 2.0.0 requires Python >=3.9
       if ! "$HOME/.local/bin/uv" python find '>=3.9'
       then
         # Use first Python version that is >=3.9 and available in an Ubuntu LTS
         # (to reduce the number of Python versions we use)
         "$HOME/.local/bin/uv" python install 3.10.12  # renovate: charmcraft-python-ubuntu-22.04
       fi
-      "$HOME/.local/bin/uv" tool install --no-python-downloads --python '>=3.9' poetry==2.1.3 --with poetry-plugin-export==1.9.0  # renovate: charmcraft-poetry-latest
+      "$HOME/.local/bin/uv" tool install --no-python-downloads --python '>=3.9' poetry==2.1.4 --with poetry-plugin-export==1.9.0  # renovate: charmcraft-poetry-latest
 
       ln -sf "$HOME/.local/bin/poetry" /usr/local/bin/poetry
   # "charm-poetry" part name is arbitrary; use for consistency
@@ -75,7 +75,7 @@ parts:
       # rpds-py (Python package) >=0.19.0 requires rustc >=1.76, which is not available in the
       # Ubuntu 22.04 archive. Install rustc and cargo using rustup instead of the Ubuntu archive
       rustup set profile minimal
-      rustup default 1.88.0  # renovate: charmcraft-rust-latest
+      rustup default 1.89.0  # renovate: charmcraft-rust-latest
 
       craftctl default
       # Include requirements.txt in *.charm artifact for easier debugging