tracking: Pre-release updates for Stackable Release 26.11.0 #657

Part of stackabletech/issues#889

Update Workflows

• Update local workflows
• Update templated workflows

Update prek Workflow

• Update hook refs in local and templated .pre-commit-config.yaml file
• Update Hadolint version in the config/versions.yaml file
• Update Jinja2 CLI version in the config/versions.yaml file
• Update Nix package manager version in the config/versions.yaml file

Update Rust Toolchain

Tasks

• Run niv update and test via make run-dev
• Update stable Rust toolchain in the config/versions.yaml file.
• Update nightly Rust toolchain in the config/versions.yaml file (Keep in sync across this,
  operator-rs and docker-images).
• Update Rust toolchain in UBI10 and stackable-base images
• Update cargo-cyclonedx and cargo-auditable in UBI10 and stackable-base images
• Generate downstream PRs using the "Generate Downstream PRs" action. Use the following title for downstream PRs: chore(template): Updates for SDP 26.11.0. Additionally, put Part of <THIS_ISSUE> into the message to automatically link downstream PRs to the issue.
• Search for PRs and add them to the list below.
• Add the release/26.11.0 label to the downstream PRs and continue to merge them. See below for more details.