Merge bitcoindevkit/bdk#2203: ci: automated update to rustc 1.96.0

c1cffa3fd6b55f2fc0c862fd059ca1fa427a025c ci: automated update to rustc 1.96.0 (Github Action)

Pull request description:

  Automated update to Github CI workflow `cont_integration.yml` by [create-pull-request](https://github.com/peter-evans/create-pull-request) GitHub action

ACKs for top commit:
  oleonardolima:
    ACK c1cffa3fd6b55f2fc0c862fd059ca1fa427a025c

Tree-SHA512: 28f681fe56bfee891c06c8d324cc89b6af9fb40af976ad5eebfe89e8ee0c2ea7d5ad0c9ad1d2849d77c4fc202474b8032285bf4b42a5f8f544a86e5e6a115c71