Bump MSRV to 1.75

Author: gahag-cw

.github/workflows/main.yml

@@ -36,7 +36,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@master
         with:
-          toolchain: 1.70.0
+          toolchain: 1.75.0
       - run: cargo test -p bb8
 
   lint:

bb8/Cargo.toml

@@ -2,7 +2,7 @@
 name = "bb8"
 version = "0.8.6"
 edition = "2021"
-rust-version = "1.70"
+rust-version = "1.75"
 description = "Full-featured async (tokio-based) connection pool (like r2d2)"
 license = "MIT"
 repository = "https://github.com/djc/bb8"

postgres/Cargo.toml

@@ -2,7 +2,7 @@
 name = "bb8-postgres"
 version = "0.8.1"
 edition = "2021"
-rust-version = "1.63"
+rust-version = "1.75"
 description = "Full-featured async (tokio-based) postgres connection pool (like r2d2)"
 license = "MIT"
 repository = "https://github.com/djc/bb8"

redis/Cargo.toml

@@ -2,7 +2,7 @@
 name = "bb8-redis"
 version = "0.17.0"
 edition = "2021"
-rust-version = "1.63"
+rust-version = "1.75"
 description = "Full-featured async (tokio-based) redis connection pool (like r2d2)"
 license = "MIT"
 repository = "https://github.com/djc/bb8"