Bump MSRV due to tinyvec dep, replace unmantained action

Author: Marcondiro

.github/workflows/rust.yml

@@ -67,10 +67,7 @@ jobs:
     steps:
     - uses: actions/checkout@v2
     - name: Install msrv toolchain
-      uses: actions-rs/toolchain@v1
-      with:
-          toolchain: 1.36
-          override: true
+      uses: dtolnay/[email protected]
     - name: Build
       run: cargo build --verbose --all-features
   regen:

.travis.yml

@@ -1,6 +1,6 @@
 language: rust
 rust:
-  - 1.36.0
+  - 1.40.0
   - stable
   - nightly
 sudo: false

Cargo.toml

@@ -27,7 +27,7 @@ Decomposition and Recomposition, as described in
 Unicode Standard Annex #15.
 """
 
-rust-version = "1.36"
+rust-version = "1.40"
 
 edition = "2018"
 

README.md

@@ -7,7 +7,7 @@ Unicode character composition and decomposition utilities
 as described in
 [Unicode Standard Annex #15](http://www.unicode.org/reports/tr15/).
 
-This crate requires Rust 1.36+.
+This crate requires Rust 1.40+.
 
 ```rust
 extern crate unicode_normalization;