ci: Bump msrv rust version to 1.75

The examples might require newer rust version based on the pac crate
used; So for the MRSV test only build the actual library and
documentation

Author: sjoerdsimons

.github/workflows/ci.yml

@@ -29,15 +29,15 @@ jobs:
       - run: cargo test --doc --target x86_64-unknown-linux-gnu
 
   test-msrv:
-    name: test with MSRV
+    name: build with MSRV
     runs-on: "ubuntu-latest"
     steps:
       - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@master
         with:
-            toolchain: 1.61
-      - run: cargo test --lib --target x86_64-unknown-linux-gnu
-      - run: cargo test --doc --target x86_64-unknown-linux-gnu
+            toolchain: 1.75
+      - run: cargo build --lib --target x86_64-unknown-linux-gnu
+      - run: cargo doc --target x86_64-unknown-linux-gnu
 
   build:
     strategy: