fix: MSRV is now 1.70.0 (#593)

.github/workflows/ci.yml

@@ -96,7 +96,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ ubuntu-latest, windows-latest, macos-latest ]
-        toolchain: [ "1.67.0", "stable" ]
+        toolchain: [ "1.70.0", "stable" ]
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout
@@ -135,7 +135,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ ubuntu-latest, windows-latest, macos-latest ]
-        toolchain: [ "1.67.0", "stable" ]
+        toolchain: [ "1.70.0", "stable" ]
         backend: [ crossterm, termion, termwiz ]
         exclude:
           # termion is not supported on windows

BREAKING-CHANGES.md

@@ -11,6 +11,7 @@ github with a [breaking change] label.
 This is a quick summary of the sections below:
 
 - [v0.24.0](#v0240)
+  - MSRV is now 1.70.0
   - `ScrollbarState`: `position`, `content_length`, and `viewport_content_length` are now `usize`
   - `BorderType`: `line_symbols` is now `border_symbols` and returns `symbols::border::set`
   - `Frame<'a, B: Backend>` is now `Frame<'a>`

Cargo.toml

@@ -18,7 +18,7 @@ exclude = [
 ]
 autoexamples = true
 edition = "2021"
-rust-version = "1.67.0"
+rust-version = "1.70.0"
 
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