chore!: upgrade to iroh 0.96 (#197)

## Description

Upgrade to the latest release of iroh, iroh-quinn, and irpc

## Breaking Changes

- type `ConnectionRef` is no longer UnwindSafe, in
/home/runner/work/iroh-blobs/iroh-blobs/src/util/connection_pool.rs:85
- type `ConnectionRef `is no longer RefUnwindSafe, in
/home/runner/work/iroh-blobs/iroh-blobs/src/util/connection_pool.rs:85
- type `AtInitial` is no longer UnwindSafe, in
/home/runner/work/iroh-blobs/iroh-blobs/src/get.rs:217
- type `AtInitial` is no longer RefUnwindSafe, in
/home/runner/work/iroh-blobs/iroh-blobs/src/get.rs:217

---------

Co-authored-by: “ramfox” <“kasey@n0.computer”>
Co-authored-by: Ruediger Klaehn <rklaehn@protonmail.com>
Co-authored-by: dignifiedquire <me@dignifiedquire.com>

Author: 4 people

.github/workflows/ci.yaml

@@ -16,7 +16,7 @@ env:
   RUST_BACKTRACE: 1
   RUSTFLAGS: -Dwarnings
   RUSTDOCFLAGS: -Dwarnings
-  MSRV: "1.85"
+  MSRV: "1.89"
   SCCACHE_CACHE_SIZE: "50G"
   IROH_FORCE_STAGING_RELAYS: "1"
 
@@ -193,25 +193,24 @@ jobs:
     - uses: taiki-e/install-action@cargo-make
     - run: cargo make format-check
 
+
   check_docs:
     timeout-minutes: 30
     name: Checking docs
     runs-on: ubuntu-latest
     env:
       RUSTC_WRAPPER: "sccache"
       SCCACHE_GHA_ENABLED: "on"
+      RUSTDOCFLAGS: -Dwarnings
     steps:
-    - uses: actions/checkout@v6
-    - uses: dtolnay/rust-toolchain@master
-      with:
-        toolchain: nightly-2025-09-28
-    - name: Install sccache
-      uses: mozilla-actions/sccache-action@v0.0.9
+      - uses: actions/checkout@v6
+      - uses: dtolnay/rust-toolchain@nightly
+      - uses: dtolnay/install@cargo-docs-rs
+      - name: Install sccache
+        uses: mozilla-actions/sccache-action@v0.0.9
 
-    - name: Docs
-      run: cargo doc --workspace --all-features --no-deps --document-private-items
-      env:
-        RUSTDOCFLAGS: --cfg docsrs
+      - name: iroh-blobs docs
+        run: cargo docs-rs
 
   clippy_check:
     timeout-minutes: 30
@@ -313,4 +312,4 @@ jobs:
       # some non-Wasm-compatible code made it into the final code.
       - name: Ensure no 'import "env"' in wasm
         run: |
-          ! wasm-tools print --skeleton target/wasm32-unknown-unknown/debug/iroh_blobs.wasm | grep 'import "env"'
+          ! wasm-tools print --skeleton target/wasm32-unknown-unknown/debug/iroh_blobs.wasm | grep 'import "env"'