Update toolchain required for CI

Author: nabetti1720

.github/workflows/rustls-rustcrypto.yml

@@ -23,7 +23,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@master
         with:
-          toolchain: 1.75.0
+          toolchain: 1.85.0
           components: clippy
       - run: cargo clippy --all --all-features -- -D warnings
 
@@ -51,7 +51,7 @@ jobs:
     strategy:
       matrix:
         rust:
-          - 1.75.0 # MSRV
+          - 1.85.0 # MSRV
           - stable
         target:
           - armv7a-none-eabi
@@ -69,7 +69,7 @@ jobs:
     strategy:
       matrix:
         toolchain:
-          - 1.75.0 # MSRV
+          - 1.85.0 # MSRV
           - stable
     runs-on: ubuntu-latest
     steps:
@@ -87,7 +87,7 @@ jobs:
       matrix:
         include:
           - target: powerpc-unknown-linux-gnu
-            rust: 1.75.0 # MSRV
+            rust: 1.85.0 # MSRV
           - target: powerpc-unknown-linux-gnu
             rust: stable
     runs-on: ubuntu-latest