chore(deps): update dependency dagger/dagger to v0.20.8 (#890)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [dagger/dagger](https://redirect.github.com/dagger/dagger) | patch |
`0.20.7` → `0.20.8` |

---

### Release Notes

<details>
<summary>dagger/dagger (dagger/dagger)</summary>

###
[`v0.20.8`](https://redirect.github.com/dagger/dagger/releases/tag/v0.20.8)

[Compare
Source](https://redirect.github.com/dagger/dagger/compare/v0.20.7...v0.20.8)

#### v0.20.8 - 2026-05-06

##### Fixed

- Python SDK: fix v0.20.7 regressions where valid Python modules could
fail to load correctly, especially when using patterns such as import
aliases, inherited functions, relative imports, or module-level type
aliases, by [@&#8203;tiborvass](https://redirect.github.com/tiborvass)
in
[`aa1721d`](aa1721d5fb)
(reverts commit
[`bcb2193`](bcb2193d97)
backported from
[#&#8203;11803](https://redirect.github.com/dagger/dagger/pull/11803))
- Dang SDK: parallel initialization no longer panics or reports spurious
typechecking errors by
[@&#8203;tiborvass](https://redirect.github.com/tiborvass) in
[`53f1ae3`](53f1ae3afd)
(backported from
[#&#8203;13098](https://redirect.github.com/dagger/dagger/pull/13098))
and [@&#8203;vito](https://redirect.github.com/vito) in
[`ae5fc75`](ae5fc75f5e)
(backported from
[#&#8203;13103](https://redirect.github.com/dagger/dagger/pull/13103))

##### What to do next?

- Read the [documentation](https://docs.dagger.io)
- Join our [Discord server](https://discord.gg/dagger-io)
- Follow us on [Twitter](https://twitter.com/dagger_io)

</details>

---

### Configuration

📅 **Schedule**: (UTC)

- Branch creation
  - At any time (no schedule defined)
- Automerge
  - At any time (no schedule defined)

🚦 **Automerge**: Enabled.

♻ **Rebasing**: Never, or you tick the rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update
again.

---

- [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check
this box

---

This PR was generated by [Mend Renovate](https://mend.io/renovate/).
View the [repository job
log](https://developer.mend.io/github/cloudnative-pg/plugin-barman-cloud).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0My4xNTkuMiIsInVwZGF0ZWRJblZlciI6IjQzLjE1OS4yIiwidGFyZ2V0QnJhbmNoIjoibWFpbiIsImxhYmVscyI6WyJhdXRvbWF0ZWQiLCJuby1pc3N1ZSJdfQ==-->

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

.github/workflows/ci.yml

@@ -44,7 +44,7 @@ jobs:
       - name: Install Dagger
         env:
           # renovate: datasource=github-tags depName=dagger/dagger versioning=semver
-          DAGGER_VERSION: 0.20.7
+          DAGGER_VERSION: 0.20.8
         run: |
           curl -L https://dl.dagger.io/dagger/install.sh | BIN_DIR=$HOME/.local/bin sh
       - name: Run CI task

.github/workflows/release-please.yml

@@ -31,7 +31,7 @@ jobs:
       - name: Install Dagger
         env:
           # renovate: datasource=github-tags depName=dagger/dagger versioning=semver
-          DAGGER_VERSION: 0.20.7
+          DAGGER_VERSION: 0.20.8
         run: |
           curl -L https://dl.dagger.io/dagger/install.sh | BIN_DIR=$HOME/.local/bin sh
       - name: Create image and manifest

.github/workflows/release-publish.yml

@@ -21,7 +21,7 @@ jobs:
       - name: Install Dagger
         env:
           # renovate: datasource=github-tags depName=dagger/dagger versioning=semver
-          DAGGER_VERSION: 0.20.7
+          DAGGER_VERSION: 0.20.8
         run: |
           curl -L https://dl.dagger.io/dagger/install.sh | BIN_DIR=$HOME/.local/bin sh
       - name: Create image and manifest

Taskfile.yml

@@ -206,7 +206,7 @@ tasks:
       - start-build-network
     vars:
       # renovate: datasource=github-tags depName=dagger/dagger versioning=semver
-      DAGGER_VERSION: 0.20.7
+      DAGGER_VERSION: 0.20.8
       DAGGER_ENGINE_IMAGE: registry.dagger.io/engine:v{{ .DAGGER_VERSION }}
     cmds:
       - >