chore: bump the Rust toolchain to 1.97.1 (#451)

* chore: bump the Rust toolchain to 1.97.1

* chore: bump the rustfmt nightly to nightly-2026-08-23

Author: lfrancke

.github/workflows/pr_prek.yaml

@@ -9,7 +9,7 @@ permissions: {}
 
 env:
   CARGO_TERM_COLOR: always
-  RUST_TOOLCHAIN_VERSION: "nightly-2025-05-26"
+  RUST_TOOLCHAIN_VERSION: "nightly-2026-08-23"
   HADOLINT_VERSION: "v1.17.6"
   NIX_VERSION: "2.25.2"
 

.github/workflows/pr_stackablectl.yml

@@ -15,7 +15,7 @@ on:
       - "extra/**"
 
 env:
-  RUST_VERSION: 1.95.0
+  RUST_VERSION: 1.97.1
   GO_VERSION: '^1.26.0'
   CARGO_TERM_COLOR: always
   CARGO_INCREMENTAL: "0"

.github/workflows/release_stackablectl.yml

@@ -9,7 +9,7 @@ on:
 
 env:
   CARGO_CYCLONEDX_VERSION: 0.5.7
-  RUST_VERSION: 1.95.0
+  RUST_VERSION: 1.97.1
   CARGO_TERM_COLOR: always
   CARGO_INCREMENTAL: "0"
   CARGO_PROFILE_DEV_DEBUG: "0"

.pre-commit-config.yaml

@@ -120,7 +120,7 @@ repos:
         files: \.rs$
         language: system
         # Pinning to a specific rustc version, so that we get consistent formatting
-        entry: cargo +nightly-2025-05-26 fmt --all -- --check
+        entry: cargo +nightly-2026-08-23 fmt --all -- --check
         stages: [pre-commit]
         pass_filenames: false
 

rust-toolchain.toml

@@ -1,3 +1,3 @@
 [toolchain]
-channel = "1.95.0"
+channel = "1.97.1"
 profile = "default"