Test against version 0.18.4.4 (#157)

* Test against version 0.18.4.4

* Update MSRV check, remove older monero versions from test matrix

---------

Co-authored-by: silverpill <silverpill@firemail.cc>

Author: silverpill

.github/workflows/build.yml

@@ -13,7 +13,7 @@ jobs:
       - uses: actions/checkout@v5
       - uses: dtolnay/rust-toolchain@master
         with:
-          toolchain: "1.82"
+          toolchain: "1.83"
       - run: cargo check --workspace
 
   check:

.github/workflows/test.yml

@@ -13,7 +13,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        monero: [ 0.18.1.2, 0.18.3.3, 0.18.3.4, 0.18.4.0, 0.18.4.1, 0.18.4.2, 0.18.4.3 ]
+        monero: [ 0.18.3.4, 0.18.4.0, 0.18.4.1, 0.18.4.2, 0.18.4.3, 0.18.4.4 ]
 
     steps:
       - uses: actions/checkout@v5