Bump the docker-deps group across 3 directories with 3 updates (#1832)

Bumps the docker-deps group with 1 update in the /config/fulcio/fulcio directory: projectsigstore/fulcio.
Bumps the docker-deps group with 1 update in the /config/trillian/mysql directory: trillian-opensource-ci/db_server.
Bumps the docker-deps group with 1 update in the /config/tsa/tsa directory: sigstore/timestamp-server.


Updates `projectsigstore/fulcio` from v1.8.2 to v1.8.3

Updates `trillian-opensource-ci/db_server` from `d0839b2` to `97e30a9`

Updates `sigstore/timestamp-server` from v2.0.2 to v2.0.3

---
updated-dependencies:
- dependency-name: projectsigstore/fulcio
  dependency-version: v1.8.3
  dependency-type: direct:production
  dependency-group: docker-deps
- dependency-name: trillian-opensource-ci/db_server
  dependency-version: 97e30a9a4cc4d303b296d80e8f3ad852b8380dbe7b8f10d6bcab91b991a0d372
  dependency-type: direct:production
  dependency-group: docker-deps
- dependency-name: sigstore/timestamp-server
  dependency-version: v2.0.3
  dependency-type: direct:production
  dependency-group: docker-deps
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

config/fulcio/fulcio/300-fulcio.yaml

@@ -20,7 +20,7 @@ spec:
       # This doesn't actually use Kubernetes credentials, so don't mount them in.
       automountServiceAccountToken: false
       containers:
-      - image: gcr.io/projectsigstore/fulcio:v1.8.2@sha256:c36fb56f73b7f1f2bf5366f930fb4b31e939a5f9b41f4664646532279001e22a
+      - image: gcr.io/projectsigstore/fulcio:v1.8.3@sha256:77d7b72e47d80466ec38aeacc58667b2c3da22eab230330baf7d5e24a33a2197
         name: fulcio
         ports:
         - containerPort: 5555
@@ -90,7 +90,7 @@ spec:
       # This doesn't actually use Kubernetes credentials, so don't mount them in.
       automountServiceAccountToken: false
       containers:
-      - image: gcr.io/projectsigstore/fulcio:v1.8.2@sha256:c36fb56f73b7f1f2bf5366f930fb4b31e939a5f9b41f4664646532279001e22a
+      - image: gcr.io/projectsigstore/fulcio:v1.8.3@sha256:77d7b72e47d80466ec38aeacc58667b2c3da22eab230330baf7d5e24a33a2197
         name: fulcio-grpc
         ports:
         - containerPort: 5554

config/trillian/mysql/300-mysql-trillian.yaml

@@ -20,7 +20,7 @@ metadata:
     app: mysql-trillian
 spec:
   containers:
-    - image: gcr.io/trillian-opensource-ci/db_server@sha256:d0839b263dcefbb484320988f7ee257492582612989f6a732b62be037f667261
+    - image: gcr.io/trillian-opensource-ci/db_server@sha256:97e30a9a4cc4d303b296d80e8f3ad852b8380dbe7b8f10d6bcab91b991a0d372
       name: mysql
       env:
         - name: MYSQL_ROOT_PASSWORD

config/tsa/tsa/300-tsa.yaml

@@ -19,7 +19,7 @@ spec:
       serviceAccountName: tsa
       containers:
       - name: tsa
-        image: ghcr.io/sigstore/timestamp-server:v2.0.2@sha256:725a3dcc17e14430eb334aa2f0effe0af072ae17203410c5edb97b1be492059b
+        image: ghcr.io/sigstore/timestamp-server:v2.0.3@sha256:24f74ba81e5b9523f6b6735cba84bfd0963b6a0be68e1d73ef86db7d38f18fda
         ports:
         - containerPort: 3000
         args: [