Cargo.lock: bump dependencies; MSRV 1.70 (#301)

Updates the following dependencies:

    $ cargo update
    Updating crates.io index
      Adding aho-corasick v1.1.2
    Updating anstyle v1.0.0 -> v1.0.4
    Updating bitflags v2.4.0 -> v2.4.1
    Updating bumpalo v3.12.0 -> v3.14.0
    Updating bytes v1.4.0 -> v1.5.0
    Removing cc v1.0.79
    Updating ciborium v0.2.0 -> v0.2.1
    Updating ciborium-io v0.2.0 -> v0.2.1
    Updating ciborium-ll v0.2.0 -> v0.2.1
    Updating clap v4.3.0 -> v4.4.8
    Updating clap_builder v4.3.0 -> v4.4.8
    Updating clap_lex v0.5.0 -> v0.6.0
    Removing crossbeam-channel v0.5.7
    Updating crossbeam-epoch v0.9.14 -> v0.9.15
    Updating crossbeam-utils v0.8.15 -> v0.8.16
    Updating either v1.8.1 -> v1.9.0
    Removing errno v0.2.8
    Removing errno v0.3.1
      Adding errno v0.3.7
    Removing errno-dragonfly v0.1.2
    Updating fastrand v1.9.0 -> v2.0.1
    Updating getrandom v0.2.8 -> v0.2.11
    Removing hermit-abi v0.2.6
    Removing hermit-abi v0.3.1
      Adding hermit-abi v0.3.3
    Removing instant v0.1.12
    Removing io-lifetimes v1.0.5
    Updating is-terminal v0.4.7 -> v0.4.9
    Updating itoa v1.0.5 -> v1.0.9
    Updating js-sys v0.3.61 -> v0.3.65
    Updating libc v0.2.139 -> v0.2.150
    Updating libm v0.2.6 -> v0.2.8
    Removing linux-raw-sys v0.1.4
    Removing linux-raw-sys v0.3.8
      Adding linux-raw-sys v0.4.11
    Updating log v0.4.17 -> v0.4.20
      Adding memchr v2.6.4
    Updating memoffset v0.8.0 -> v0.9.0
    Updating num-bigint v0.4.3 -> v0.4.4
    Removing num_cpus v1.15.0
    Updating once_cell v1.17.1 -> v1.18.0
    Updating plotters v0.3.4 -> v0.3.5
    Updating plotters-backend v0.3.4 -> v0.3.5
    Updating plotters-svg v0.3.3 -> v0.3.5
    Updating proc-macro2 v1.0.51 -> v1.0.69
    Updating quote v1.0.23 -> v1.0.33
    Updating rayon v1.6.1 -> v1.8.0
    Updating rayon-core v1.10.2 -> v1.12.0
    Updating redox_syscall v0.2.16 -> v0.4.1
    Updating regex v1.7.1 -> v1.10.2
      Adding regex-automata v0.4.3
    Removing regex-syntax v0.6.28
    Removing rustix v0.36.8
    Removing rustix v0.37.3
      Adding rustix v0.38.25
    Updating ryu v1.0.12 -> v1.0.15
    Updating scopeguard v1.1.0 -> v1.2.0
    Updating serde v1.0.152 -> v1.0.193
    Updating serde_derive v1.0.152 -> v1.0.193
    Updating serde_json v1.0.93 -> v1.0.108
    Updating syn v1.0.109 -> v2.0.39
    Updating tempfile v3.4.0 -> v3.8.1
    Updating typenum v1.16.0 -> v1.17.0
    Updating unicode-ident v1.0.6 -> v1.0.12
    Updating walkdir v2.3.2 -> v2.4.0
    Updating wasm-bindgen v0.2.84 -> v0.2.88
    Updating wasm-bindgen-backend v0.2.84 -> v0.2.88
    Updating wasm-bindgen-macro v0.2.84 -> v0.2.88
    Updating wasm-bindgen-macro-support v0.2.84 -> v0.2.88
    Updating wasm-bindgen-shared v0.2.84 -> v0.2.88
    Updating web-sys v0.3.61 -> v0.3.65
    Updating winapi-util v0.1.5 -> v0.1.6
    Removing windows-sys v0.42.0
    Removing windows-sys v0.45.0
    Removing windows-targets v0.42.1
    Removing windows-targets v0.48.0
      Adding windows-targets v0.48.5
    Removing windows_aarch64_gnullvm v0.42.1
    Removing windows_aarch64_gnullvm v0.48.0
      Adding windows_aarch64_gnullvm v0.48.5
    Removing windows_aarch64_msvc v0.42.1
    Removing windows_aarch64_msvc v0.48.0
      Adding windows_aarch64_msvc v0.48.5
    Removing windows_i686_gnu v0.42.1
    Removing windows_i686_gnu v0.48.0
      Adding windows_i686_gnu v0.48.5
    Removing windows_i686_msvc v0.42.1
    Removing windows_i686_msvc v0.48.0
      Adding windows_i686_msvc v0.48.5
    Removing windows_x86_64_gnu v0.42.1
    Removing windows_x86_64_gnu v0.48.0
      Adding windows_x86_64_gnu v0.48.5
    Removing windows_x86_64_gnullvm v0.42.1
    Removing windows_x86_64_gnullvm v0.48.0
      Adding windows_x86_64_gnullvm v0.48.5
    Removing windows_x86_64_msvc v0.42.1
    Removing windows_x86_64_msvc v0.48.0
      Adding windows_x86_64_msvc v0.48.5

.github/workflows/crypto-bigint.yml

@@ -20,7 +20,7 @@ jobs:
     strategy:
       matrix:
         rust:
-          - 1.65.0 # MSRV
+          - 1.70.0 # MSRV
           - stable
         target:
           - thumbv7em-none-eabi
@@ -48,15 +48,15 @@ jobs:
         include:
           # 32-bit Linux
           - target: i686-unknown-linux-gnu
-            rust: 1.65.0 # MSRV
+            rust: 1.70.0 # MSRV
             deps: sudo apt update && sudo apt install gcc-multilib
           - target: i686-unknown-linux-gnu
             rust: stable
             deps: sudo apt update && sudo apt install gcc-multilib
 
           # 64-bit Linux
           - target: x86_64-unknown-linux-gnu
-            rust: 1.65.0 # MSRV
+            rust: 1.70.0 # MSRV
           - target: x86_64-unknown-linux-gnu
             rust: stable
     steps:
@@ -135,7 +135,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@master
         with:
-          toolchain: 1.65.0
+          toolchain: 1.70.0
       - run: cargo build --all-features --benches
 
   doc: