chore(deps): update ubuntu docker tag to v26

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/build.yml

@@ -18,7 +18,7 @@ jobs:
         include:
           - name: ubuntu
             image-name: python-base-ubuntu
-            from: ubuntu:22.04@sha256:0e0a0fc6d18feda9db1590da249ac93e8d5abfea8f4c3c0c849ce512b5ef8982
+            from: ubuntu:26.04@sha256:3131b4cc82a783df6c9df078f86e01819a13594b865c2cad47bd1bca2b7063bb
           - name: ubuntu-cloud-archive
             image-name: python-base-ubuntu-cloud-archive
             from: ghcr.io/vexxhost/ubuntu-cloud-archive:2023.1@sha256:adfe798e904541eddbe87a2f93d813c553af94de43c7df3db0de383a3886a8b4