Update rust-version in a couple of missed spots (#1001)

## 📔 Objective

These two were missed on the recent update to 1.75 #980 

## ⏰ Reminders before review

- Contributor guidelines followed
- All formatters and local linters executed and passed
- Written new unit and / or integration tests where applicable
- Protected functional changes with optionality (feature flags)
- Used internationalization (i18n) for all UI strings
- CI builds passed
- Communicated to DevOps any deployment requirements
- Updated any necessary documentation (Confluence, contributing docs) or
informed the documentation
  team

## 🦮 Reviewer guidelines

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- 👍 (`:+1:`) or similar for great changes
- 📝 (`:memo:`) or ℹ️ (`:information_source:`) for notes or general info
- ❓ (`:question:`) for questions
- 🤔 (`:thinking:`) or 💭 (`:thought_balloon:`) for more open inquiry
that's not quite a confirmed
  issue and could potentially benefit from discussion
- 🎨 (`:art:`) for suggestions / improvements
- ❌ (`:x:`) or ⚠️ (`:warning:`) for more significant problems or
concerns needing attention
- 🌱 (`:seedling:`) or ♻️ (`:recycle:`) for future improvements or
indications of technical debt
- ⛏ (`:pick:`) for minor or nitpick changes

Cargo.toml

@@ -9,7 +9,7 @@ version = "0.5.0"
 authors = ["Bitwarden Inc"]
 edition = "2021"
 # Note: Changing rust-version should be considered a breaking change
-rust-version = "1.71"
+rust-version = "1.75"
 homepage = "https://bitwarden.com"
 repository = "https://github.com/bitwarden/sdk"
 license-file = "LICENSE"

crates/bitwarden/README.md

@@ -13,7 +13,7 @@ bitwarden = { "*", features = ["secrets"] }
 
 ## Minimum Supported Rust Version
 
-Rust **1.71** or higher.
+Rust **1.75** or higher.
 
 ## Example