Bump the build-deps group across 1 directory with 4 updates

Bumps the build-deps group with 4 updates in the /build/deps directory: [ferretdb/ferretdb-textlint](https://github.com/FerretDB/deps), [ferretdb/legacy-mongo-shell](https://github.com/FerretDB/deps), davidanson/markdownlint-cli2 and mongo.


Updates `ferretdb/ferretdb-textlint` from 13.4.1-1 to 14.7.1-1
- [Commits](https://github.com/FerretDB/deps/commits)

Updates `ferretdb/legacy-mongo-shell` from 7.0.14-1 to 7.0.21-1
- [Commits](https://github.com/FerretDB/deps/commits)

Updates `davidanson/markdownlint-cli2` from v0.8.1 to v0.18.1

Updates `mongo` from 8.0.6 to 8.0.10

---
updated-dependencies:
- dependency-name: ferretdb/ferretdb-textlint
  dependency-version: 14.7.1-1
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: build-deps
- dependency-name: ferretdb/legacy-mongo-shell
  dependency-version: 7.0.21-1
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: build-deps
- dependency-name: davidanson/markdownlint-cli2
  dependency-version: v0.18.1
  dependency-type: direct:production
  dependency-group: build-deps
- dependency-name: mongo
  dependency-version: 8.0.10
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: build-deps
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

build/deps/ferretdb-textlint.Dockerfile

@@ -1 +1 @@
-FROM ghcr.io/ferretdb/ferretdb-textlint:13.4.1-1
+FROM ghcr.io/ferretdb/ferretdb-textlint:15.2.0-1

build/deps/legacy-mongo-shell.Dockerfile

@@ -1 +1 @@
-FROM ghcr.io/ferretdb/legacy-mongo-shell:7.0.14-1
+FROM ghcr.io/ferretdb/legacy-mongo-shell:7.0.21-1

build/deps/markdownlint.Dockerfile

@@ -1 +1 @@
-FROM davidanson/markdownlint-cli2:v0.8.1
+FROM davidanson/markdownlint-cli2:v0.18.1

build/deps/mongo.Dockerfile

@@ -1 +1 @@
-FROM mongo:8.0.6
+FROM mongo:8.0.15