Merge #1674: ci: pin deps for MSRV

d277150 ci: pin deps for MSRV (valued mammal)

Pull request description:

  Pin deps in CI to build on MSRV

  - pin `indexmap` to 2.5.0
  - pin `security-framework-sys` to 2.11.1

  ### Checklists

  #### All Submissions:

  * [x] I've signed all my commits
  * [x] I followed the [contribution guidelines](https://github.com/bitcoindevkit/bdk/blob/master/CONTRIBUTING.md)
  * [x] I ran `cargo fmt` and `cargo clippy` before committing

ACKs for top commit:
  notmandatory:
    ACK d277150

Tree-SHA512: adc15c5487f78a211892c4e6a851e17b04c3d02cc73ef2af25cf97a6e8c5aab9f80b14a4e05c409b76670bf6b35a04d10880ae0f2d3becfc28185e74a6311699

Author: ValuedMammal

.github/workflows/cont_integration.yml

@@ -49,6 +49,8 @@ jobs:
           cargo update -p cc --precise "1.0.105"
           cargo update -p tokio --precise "1.38.1"
           cargo update -p tokio-util --precise "0.7.11"
+          cargo update -p indexmap --precise "2.5.0"
+          cargo update -p security-framework-sys --precise "2.11.1"
       - name: Build
         run: cargo build --workspace --exclude 'example_*' ${{ matrix.features }}
       - name: Test

README.md

@@ -76,6 +76,8 @@ cargo update -p url --precise "2.5.0"
 cargo update -p cc --precise "1.0.105"
 cargo update -p tokio --precise "1.38.1"
 cargo update -p tokio-util --precise "0.7.11"
+cargo update -p indexmap --precise "2.5.0"
+cargo update -p security-framework-sys --precise "2.11.1"
 ```
 
 ## License