Update MSRV to 1.60.0

The latest version of chrono-tz needs 1.60.0 because of phf.
Since chrono-tz has updated timezone information i do think it is
usefull in some cases around the world.

.github/workflows/build.yml

@@ -30,7 +30,7 @@ jobs:
       matrix:
         channel:
           - "rust-toolchain" # The version defined in rust-toolchain
-          - "1.59.0" # The supported MSRV
+          - "1.60.0" # The supported MSRV
 
     name: Build and Test ${{ matrix.channel }}
 

Cargo.toml

@@ -3,7 +3,7 @@ name = "vaultwarden"
 version = "1.0.0"
 authors = ["Daniel García <dani-garcia@users.noreply.github.com>"]
 edition = "2021"
-rust-version = "1.59"
+rust-version = "1.60.0"
 resolver = "2"
 
 repository = "https://github.com/dani-garcia/vaultwarden"