Bump the actions-monthly group with 2 updates

Bumps the actions-monthly group with 2 updates: [korthout/backport-action](https://github.com/korthout/backport-action) and [prefix-dev/setup-pixi](https://github.com/prefix-dev/setup-pixi).


Updates `korthout/backport-action` from 4.5.2 to 4.6.0
- [Release notes](https://github.com/korthout/backport-action/releases)
- [Commits](korthout/backport-action@6606540...2e830a1)

Updates `prefix-dev/setup-pixi` from 0.9.6 to 0.10.0
- [Release notes](https://github.com/prefix-dev/setup-pixi/releases)
- [Commits](prefix-dev/setup-pixi@5185adf...a09b624)

---
updated-dependencies:
- dependency-name: korthout/backport-action
  dependency-version: 4.6.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: actions-monthly
- dependency-name: prefix-dev/setup-pixi
  dependency-version: 0.10.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: actions-monthly
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/backport.yml

@@ -43,7 +43,7 @@ jobs:
           echo "OLD_BRANCH=${OLD_BRANCH}" >> $GITHUB_ENV
 
       - name: Create backport pull requests
-        uses: korthout/backport-action@66065406958f46e82238fd59546f5a99e69e22aa  # v4.5.2
+        uses: korthout/backport-action@2e830a1d0b8269505846ddd407a70876913ad1f8  # v4.6.0
         with:
           copy_assignees: true
           copy_labels_pattern: true
@@ -67,7 +67,7 @@ jobs:
         run: echo "BACKPORT_BRANCH=${{ inputs.backport-branch }}" >> $GITHUB_ENV
 
       - name: Create backport pull requests
-        uses: korthout/backport-action@66065406958f46e82238fd59546f5a99e69e22aa  # v4.5.2
+        uses: korthout/backport-action@2e830a1d0b8269505846ddd407a70876913ad1f8  # v4.6.0
         with:
           copy_assignees: true
           copy_labels_pattern: true

.github/workflows/ci-pixi-source-test.yml

@@ -73,7 +73,7 @@ jobs:
       - name: Setup pixi
         # Pinned to a commit SHA; install logic lives in the action and is
         # auditable/pinned (vs. a curl|bash of an unverified installer).
-        uses: prefix-dev/setup-pixi@5185adfbffb4bd703da3010310260805d89ebb11 # v0.9.6
+        uses: prefix-dev/setup-pixi@a09b6247153796b190642a2b53fac4241043cf6f # v0.10.0
         with:
           pixi-version: ${{ env.PIXI_VERSION }}
           run-install: false
@@ -140,7 +140,7 @@ jobs:
       - name: Setup pixi
         # Pinned to a commit SHA; install logic lives in the action and is
         # auditable/pinned (vs. a curl|bash of an unverified installer).
-        uses: prefix-dev/setup-pixi@5185adfbffb4bd703da3010310260805d89ebb11 # v0.9.6
+        uses: prefix-dev/setup-pixi@a09b6247153796b190642a2b53fac4241043cf6f # v0.10.0
         with:
           pixi-version: ${{ env.PIXI_VERSION }}
           run-install: false