multiboot2: raise MSRV from 1.68 to 1.69

This is required because of the usage of `core::ffi::CStr::from_bytes_until_nul`

Author: phip1611

Diff for: .github/workflows/rust.yml

@@ -20,7 +20,7 @@ jobs:
     name: build (msrv)
     uses: ./.github/workflows/_build-rust.yml
     with:
-      rust-version: 1.68.0 # MSRV
+      rust-version: 1.69.0 # MSRV
       do-style-check: false
       features: builder
 
@@ -46,7 +46,7 @@ jobs:
     needs: build_msrv
     uses: ./.github/workflows/_build-rust.yml
     with:
-      rust-version: 1.68.0 # MSRV
+      rust-version: 1.69.0 # MSRV
       do-style-check: false
       rust-target: thumbv7em-none-eabihf
       features: builder
@@ -103,7 +103,7 @@ jobs:
     needs: build_msrv
     uses: ./.github/workflows/_build-rust.yml
     with:
-      rust-version: 1.68.0 # MSRV
+      rust-version: 1.69.0 # MSRV
       do-style-check: true
       do-test: false
       features: builder

Diff for: multiboot2/Changelog.md

@@ -1,6 +1,7 @@
 # CHANGELOG for crate `multiboot2`
 
 ## 0.19.0 (2023-09-XX)
+- **BREAKING** MSRV is 1.69.0
 - **BREAKING** `TagTrait::get_dst_str_slice` renamed to
   `TagTrait::parse_slice_as_string` and now returns `Result<&str, StringError>`
 - **BREAKING** `BootLoaderNameTag::name` now returns `Result<&str, StringError>`

Diff for: multiboot2/README.md

@@ -38,7 +38,7 @@ other fields  | variable
 All tags and the mbi itself are 8-byte aligned. The last tag must be the _end tag_, which is a tag of type `0` and size `8`.
 
 ## MSRV
-The MSRV is 1.68.0 stable.
+The MSRV is 1.69.0 stable.
 
 ## License & Contribution
 

Diff for: multiboot2/src/lib.rs

@@ -33,7 +33,7 @@
 //! ```
 //!
 //! ## MSRV
-//! The MSRV is 1.68.0 stable.
+//! The MSRV is 1.69.0 stable.
 
 #[cfg(feature = "builder")]
 extern crate alloc;