chore(deps): update dependency barman to v3.12.1 (#156)

| datasource | package | from   | to     |
| ---------- | ------- | ------ | ------ |
| pypi       | barman  | 3.11.1 | 3.12.1 |

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

Author: renovate[bot]

containers/sidecar-requirements.in

@@ -1,3 +1,3 @@
-barman[azure,cloud,google,snappy]==3.11.1
+barman[azure,cloud,google,snappy]==3.12.1
 setuptools==75.8.0
 boto3==1.35.99

containers/sidecar-requirements.txt

@@ -18,9 +18,9 @@ azure-storage-blob==12.24.1 \
     --hash=sha256:052b2a1ea41725ba12e2f4f17be85a54df1129e13ea0321f5a2fcc851cbf47d4 \
     --hash=sha256:77fb823fdbac7f3c11f7d86a5892e2f85e161e8440a7489babe2195bf248f09e
     # via barman
-barman==3.11.1 \
-    --hash=sha256:295b9b7e058e064338f66ca0d10e4892e784a2347f06e4a225164995f6114498 \
-    --hash=sha256:4f424f3327cb24fb82d6a29dc1cdf02222b950c447c78273273d6eb76d7ce8d7
+barman==3.12.1 \
+    --hash=sha256:258ef7100717f66032402e0abe03c977089c50fc47143df5708e92aa1d772937 \
+    --hash=sha256:9dd7be219b6f74954b80cdc28f9a72f2acb923e7da65edd0f41cdc82fd32e169
     # via -r sidecar-requirements.in
 boto3==1.35.99 \
     --hash=sha256:83e560faaec38a956dfb3d62e05e1703ee50432b45b788c09e25107c5058bd71 \