Bump MSRV to 1.60

Fixes the build error due to log 0.4.21 requiring a newer version:

    error: package `log v0.4.21` cannot be built because it requires rustc 1.60.0 or newer, while the currently active rustc version is 1.56.1

.github/workflows/ci.yml

@@ -8,7 +8,7 @@ on:
 jobs:
   build_and_test:
     runs-on: ubuntu-22.04
-    container: rust:1.56
+    container: rust:1.60
     steps:
       - uses: actions/checkout@v3
       - run: cargo build

CHANGELOG.md

@@ -11,6 +11,10 @@ Possible log types:
 - `[fixed]` for any bug fixes.
 - `[security]` to invite users to upgrade in case of vulnerabilities.
 
+### Unreleased
+
+- [changed] Require at lest Rust 1.60
+
 ### V0.9.0 (2023-05-07)
 
 - [changed] Changed the way sensor types are exported.

Cargo.toml

@@ -21,7 +21,7 @@ include = [
     "AUTHORS.md",
 ]
 edition = "2021"
-rust-version = "1.56"
+rust-version = "1.60"
 
 [dependencies]
 log = "^0.4"

README.md

@@ -11,7 +11,7 @@ serialization and deserialization to/from JSON using Serde.
 - Crate Documentation: https://docs.rs/spaceapi/
 - SpaceAPI Documentation: https://spaceapi.io/pages/docs.html
 
-This library requires Rust 1.56.0 or newer.
+This library requires Rust 1.60.0 or newer.
 
 
 ## Usage

clippy.toml

@@ -1 +1 @@
-msrv = "1.56"
+msrv = "1.60"