docs: update docs versions 8.10.4

deploy/kubernetes/elastic-agent-managed-kubernetes.yaml

@@ -30,7 +30,7 @@ spec:
       dnsPolicy: ClusterFirstWithHostNet
       containers:
         - name: elastic-agent
-          image: docker.elastic.co/beats/elastic-agent:8.10.3
+          image: docker.elastic.co/beats/elastic-agent:8.10.4
           env:
             # Set to 1 for enrollment into Fleet server. If not set, Elastic Agent is run in standalone mode
             - name: FLEET_ENROLL

deploy/kubernetes/elastic-agent-standalone-kubernetes.yaml

@@ -683,13 +683,13 @@ spec:
       #      - -c
       #      - >-
       #        mkdir -p /etc/elastic-agent/inputs.d &&
-      #        wget -O - https://github.com/elastic/elastic-agent/archive/8.10.3.tar.gz | tar xz -C /etc/elastic-agent/inputs.d --strip=5 "elastic-agent-8.10.3/deploy/kubernetes/elastic-agent-standalone/templates.d"
+      #        wget -O - https://github.com/elastic/elastic-agent/archive/8.10.4.tar.gz | tar xz -C /etc/elastic-agent/inputs.d --strip=5 "elastic-agent-8.10.4/deploy/kubernetes/elastic-agent-standalone/templates.d"
       #    volumeMounts:
       #      - name: external-inputs
       #        mountPath: /etc/elastic-agent/inputs.d
       containers:
         - name: elastic-agent-standalone
-          image: docker.elastic.co/beats/elastic-agent:8.10.3
+          image: docker.elastic.co/beats/elastic-agent:8.10.4
           args: ["-c", "/etc/elastic-agent/agent.yml", "-e"]
           env:
             # The basic authentication username used to connect to Elasticsearch

version/docs/version.asciidoc

@@ -1,4 +1,4 @@
-:stack-version: 8.10.3
+:stack-version: 8.10.4
 :doc-branch: 8.10
 // FIXME: once elastic.co docs have been switched over to use `main`, remove
 // the `doc-site-branch` line below as well as any references to it in the code.