Fix new Clippy lints under rustc 1.88.0: inline format string variables

.github/workflows/build_test_and_check.yml

@@ -43,6 +43,8 @@ jobs:
             ~/.cargo/git/db/
             target/
           key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+      - name: Set Rust toolchain version
+        run: rustup override set 1.88.0
       - name: Build binary
         run: cargo build -vv
   test:
@@ -68,6 +70,8 @@ jobs:
             ~/.cargo/git/db/
             target/
           key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+      - name: Set Rust toolchain version
+        run: rustup override set 1.88.0
       - name: Run tests
         run: cargo test --workspace -vv
   lint:
@@ -83,11 +87,19 @@ jobs:
             ~/.cargo/git/db/
             target/
           key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+      - name: Set Rust toolchain version
+        run: rustup override set 1.88.0
+      - name: Install linting
+        run: rustup component add clippy
       - name: Run linting
         run: cargo clippy --all --all-targets --all-features -- -D warnings
   format_check:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+      - name: Set Rust toolchain version
+        run: rustup override set 1.88.0
+      - name: Install format
+        run: rustup component add rustfmt
       - name: Run format
         run: cargo fmt --all -- --check

.github/workflows/run_migrations.yml

@@ -52,6 +52,8 @@ jobs:
             ~/.cargo/git/db/
             target/
           key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+      - name: Set Rust toolchain version
+        run: rustup override set 1.88.0
       - name: Build binary
         run: cargo build -vv
       - name: Run migrations

CHANGELOG.md

@@ -5,6 +5,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+### Changed
+  - [699](https://github.com/thoth-pub/thoth/pull/699) - Moved format string variables inline to comply with [`rustc 1.88.0`](https://github.com/rust-lang/rust/releases/tag/1.88.0)
+  - [699](https://github.com/thoth-pub/thoth/pull/699) - Upgrade rust to `1.88.0` in production `Dockerfile`
+  - [699](https://github.com/thoth-pub/thoth/pull/699) - Removed `openssl`
 
 ## [[0.13.13]](https://github.com/thoth-pub/thoth/releases/tag/v0.13.13) - 2025-06-05
 ### Changed